Heaven's Lost Property

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Heaven's Lost Property
Sora no Otoshimono vol01.jpg
Cover of the first volume of Sora no Otoshimono published by Kadokawa Shoten featuring Ikaros.
(Sora no Otoshimono)
GenreFantasy, Harem, Romantic comedy, Drama
Written bySuu Minazuki
Published byKadokawa Shoten
MagazineShōnen Ace
Original runMay 2007 – ongoing
Volumes15 (List of volumes)
Anime television series
Heaven's Lost Property
Directed byHisashi Saitō
Written byYūko Kakihara
Music byMotoyoshi Iwasaki
Licensed byCanada United States Funimation Entertainment
Australia Madman Entertainment
NetworkTV Saitama, Chiba TV, KBS Kyoto, tvk, Sun Television, TVQ, Tokyo MX, TV Aichi
Original runOctober 4, 2009December 27, 2009
Episodes13 (List of episodes)
Light novel
Written byRin Kanzaki
Illustrated bySuu Minazuki
Published byKadokawa Shoten
ImprintKadokawa Sneaker Bunko
PublishedFebruary 1, 2010
Sora no Otoshimono: Heart-Throbbing Summer Vacation
DeveloperKadokawa Shoten
PlatformPlayStation Portable
ReleasedMarch 25, 2010
Light novel
Sora no Otoshimono f
Written byAyun Tachibana
Illustrated bySuu Minazuki
Published byKadokawa Shoten
ImprintKadokawa Sneaker Bunko
PublishedOctober 1, 2010
Anime television series
Heaven's Lost Property: Forte
Directed byHisashi Saitō
Written byYūko Kakihara
Music byMotoyoshi Iwasaki
Licensed byCanada United States Funimation Entertainment
Australia Madman Entertainment
NetworkTV Saitama, Chiba TV, KBS Kyoto, tvk, Sun Television, TVQ Kyushu Broadcasting, Tokyo MX, TV Aichi
Original runOctober 1, 2010December 17, 2010
Episodes12 (List of episodes)
Anime and Manga Portal
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Heaven's Lost Property
Sora no Otoshimono vol01.jpg
Cover of the first volume of Sora no Otoshimono published by Kadokawa Shoten featuring Ikaros.
(Sora no Otoshimono)
GenreFantasy, Harem, Romantic comedy, Drama
Written bySuu Minazuki
Published byKadokawa Shoten
MagazineShōnen Ace
Original runMay 2007 – ongoing
Volumes15 (List of volumes)
Anime television series
Heaven's Lost Property
Directed byHisashi Saitō
Written byYūko Kakihara
Music byMotoyoshi Iwasaki
Licensed byCanada United States Funimation Entertainment
Australia Madman Entertainment
NetworkTV Saitama, Chiba TV, KBS Kyoto, tvk, Sun Television, TVQ, Tokyo MX, TV Aichi
Original runOctober 4, 2009December 27, 2009
Episodes13 (List of episodes)
Light novel
Written byRin Kanzaki
Illustrated bySuu Minazuki
Published byKadokawa Shoten
ImprintKadokawa Sneaker Bunko
PublishedFebruary 1, 2010
Sora no Otoshimono: Heart-Throbbing Summer Vacation
DeveloperKadokawa Shoten
PlatformPlayStation Portable
ReleasedMarch 25, 2010
Light novel
Sora no Otoshimono f
Written byAyun Tachibana
Illustrated bySuu Minazuki
Published byKadokawa Shoten
ImprintKadokawa Sneaker Bunko
PublishedOctober 1, 2010
Anime television series
Heaven's Lost Property: Forte
Directed byHisashi Saitō
Written byYūko Kakihara
Music byMotoyoshi Iwasaki
Licensed byCanada United States Funimation Entertainment
Australia Madman Entertainment
NetworkTV Saitama, Chiba TV, KBS Kyoto, tvk, Sun Television, TVQ Kyushu Broadcasting, Tokyo MX, TV Aichi
Original runOctober 1, 2010December 17, 2010
Episodes12 (List of episodes)
Anime and Manga Portal

Heaven's Lost Property (そらのおとしもの Sora no Otoshimono?, lit. "The Sky's Lost Property"), is a Japanese manga series written and illustrated by Suu Minazuki. The plot revolves around Tomoki Sakurai, a highly perverted teenager, who desires to live a peaceful life, but encounters a falling girl with wings named Ikaros, who becomes his servant.

Sora no Otoshimono began monthly serialization in the May 2007 issue of manga magazine Shōnen Ace. The first tankōbon was released by Kadokawa Shoten on September 26, 2007, with a total of 15 volumes released as of July 23, 2012. An anime adaptation produced by AIC aired in Japan in 2009,[1] followed with a second season, a feature film, and two video games.[2] A third anime season is in development for 2012.[3] The anime is licensed in North America by Funimation Entertainment.



Tomoki Sakurai is a teenage guy whose motto is "Peace and quiet is the best", but he finds it difficult when he has to put up with Sohara Mitsuki, his next door neighbor with a killer karate chop; Eishiro Sugata, an eccentric pseudo-scientist bent on discovering the "New World"; and Mikako Satsukitane, a sadistic Student Council President. One day, while he was witnessing a strange anomaly in the sky, an UMA (Unidentified Mysterious Animal) crash-lands nearby. Tomoki discovers what fell from the sky is a winged female humanoid named Ikaros, who soon declares herself to be Tomoki's servant. From then on, more creatures known as "Angeloids" arrive, and with this, he finds himself losing his peace and quiet, but at the same time finds pleasant things the Angeloids bring him.


In 2006, Suu Minazuki's previous manga Judas had ceased publication in Kadokawa Shoten's Shōnen Ace magazine with a total of five volumes. Minazuki had also wrapped up his fantasy harem comedy series Watashi no Messiah-sama in 2007, for which he started a sequel Watashi no Kyūseishu-sama ~lacrima~ which ran for 35 chapters in Monthly GFantasy in 2007-2008. These works were set in fantasy worlds with some references to Biblical characters and settings; Minazuki briefly alludes to the Tower of Babel in the history of the Angeloids.[ch. 10] Minazuki's Angeloid characters and weapons in Sora no Otoshimono are primarily named after characters in Greek mythology, including their classifications sequentially pulled from the Greek alphabet.

In 2008, Minazuki started a seinen water adventure series called Seven Ocean, but only six chapters were published. As the publication of Sora no Otoshimono was geared for a wider shōnen audience, Minazuki made some adjustments such as posting warnings to his readers to skip the chapter when it contains obvious nudity themes, and placing censor boxes and ovals over exposed body parts.[ch. 11,33]

Yoshihiro Watanabe, who worked on Brighter than the Dawning Blue and Bamboo Blade handled the Character Design and served as the Chief Animation Director for the first anime series. Hisashi Saito, who also directed Bamboo Blade, handled the Direction for the anime series as well as the OVA and the feature film.


Main characters

Tomoki Sakurai (桜井 智樹 Sakurai Tomoki?)
Tomoki Voiced by: Soichiro Hoshi (Japanese), Greg Ayres (English)
Tomoki is a teenage[note 1] boy who wants nothing more than a peaceful and quiet life in town; however, his life is forever changed when he meets Ikaros, an angel-like creature that falls from the sky and becomes his servant.[ch. 1] Despite being a shameless pervert, a trait heavily influenced by his grandfather and mother,[ch. 7,33,36,49] Tomoki is usually a kind and sincere person.
Tomoki has a recurring dream of meeting an angel, who takes off into the sky to his disappointment.[ch. 1][note 2] While taking care of Ikaros, Tomoki strives to make her behave more human, while also encouraging her to make her own decisions.[ch. 9] While he laments the disruption of his idealistic world of peace and quiet, he admits he sees the Angeloids as family and enjoys their company.[note 3]
After learning about Synapse's quantum converter, he occasionally transforms into a female alter-ego called Tomoko (智子?) Voiced by: Saki Fujita (Japanese), Alison Viktorin (English). He uses his form to mingle with other girls so he can fondle them, however, when he is excessively sexually aroused or nervous, the converter overloads and breaks down, ending the transformation. He also uses the converter to assume other forms such as water, flooring, or a bar of soap.[ch. 11,33]
Although Tomoki is 150 cm (4 ft 11 in) tall and weighs 49 kg (108 lb),[ch. 19] he is usually drawn with super deformed parameters, except when he is serious or relaxed.[note 4]
Ikaros (イカロス Ikarosu?)
Voiced by: Saori Hayami (Japanese), Brittney Karbowski (English)
  • Type: Alpha, Height: 162 cm (5 ft 4 in), Weight: 48 kg (106 lb), Wing Type: Variable[ch. 2]
Ikaros is a busty "Pet-Class Angeloid, Type Alpha" who falls out of the sky at the beginning of the story, and after Tomoki rescues her, forms with him a bond, symbolized by the mostly invisible chain leading from her collar to Tomoki's hand.[ch. 1] She displays a very submissive, melancholic and subservient personality. Ikaros is able to grant wishes through the use of several techno-magical cards.[ch. 2][note 5] Despite her passive appearance, Ikaros has displayed moments of aggressiveness whenever Tomoki's life appears to be in danger. Her Variable wing type is highly desired by Synapse.[ch. 14] In the manga, she mainly does cooking for Tomoki as well as watches over him when he sleeps.
Initially, Ikaros has a poor grasp of human emotion, due to her programmed setting of high battle abilities and high processing abilities but low emotional abilities.[ch. 22] Despite this, she eventually develops feelings for Tomoki and falls in love. She is willing to do anything to gain Tomoki's approval including going along with his perverted schemes[ch. 2,16] including sacrificing herself.[note 6] Her face is mostly expressionless, and she almost never smiles,[ch. 14,15] but she loves when Tomoki pats her on the head. She is also the scariest angeloid because when she is angry, her expression remains the same.[ch. 43]
Although Ikaros claims to be a "Pet-Class" Angeloid designed for entertainment purposes, she is actually a "Strategic Battle-Class" Angeloid.[ch. 10] She absorbs little physical damage, flies up to Mach 24, and withstands water pressure deeper than most submarines.[ch. 4-6] As the Uranus Queen (空の女王(ウラヌス・クイーン) Uranusu Kuīn?), Ikaros is originally sent to Earth as a weapon of judgement to destroy the Tower of Babel.[ch. 10] When Ikaros enters "Battle Mode", her wings are engulfed in bright light, her eyes become red, and a halo appears over her head. Ikaros employs several types of weapons and armor: Aegis (イージス Ījisu?), an energy shield; Artemis (アルテミス Arutemisu?), a series of multi-directional homing energy projectiles fired from her wings; and Apollon (アポロン Aporon?), a bow that can fire an energy-charged arrow of mass destruction.[ch. 10,15] In the anime, she also uses a structure resembling a spaceship called the Uranus System (ウラヌスシステム Uranusu Shisutemu?) equipped with Hephaestus (ヘーパイストス Hēpaisutosu?) cannons. In the manga, during a battle with Melan angeloid clones, Ikaros evolves into Ikaros Version II (イカロス バージョンⅡ Ikarosu Bājon Tsū?), where she gains "Dual Variable Wings", and her combat strength is doubled.[ch. 55,56]
Ikaros has a fondness for watermelons and usually is seen holding one or associating other objects and people with one.[ch. 8] She also likes baby chickens.[ch. 15] Ikaros's name comes from the Greek mythological character Icarus, whose fate (falling from the sky) can be related to her introduction into the storyline.
Sohara Mitsuki (見月 そはら Mitsuki Sohara?)
Voiced by: Mina (Japanese), Trina Nishimura (English)
Sohara is Tomoki's childhood friend and next door neighbor who often goes to his house in the morning to wake him up.[ch. 1,7] She gets annoyed whenever Tomoki acts lecherous, and regularly punishes him with karate chops.[ch. 1] As a child, she was constantly ill and thus has few friends besides Tomoki. Despite all the punishment she dishes out to him,she secretly loves Tomoki.[vol. 6:EX-1] After the Angeloids arrive, Sohara helps them become accustomed to Earth life, but acts a bit jealous that Tomoki spends so much time with them. She also apparently has dreams involving her and Tomoki in provocative situations, suggesting she does not mind his lechery IF it is directed only towards herself.[ch. 18]. She is apparently good at athletic activities,[ch. 19,23] but struggles with English[ch. 12,26] and is a terrible cook when it comes to sunny side up eggs.[ch. 41,51]
Eishiro Sugata (守形 英四郎 Sugata Eishirō?)
Voiced by: Tatsuhisa Suzuki (Japanese), Eric Vale (English)
Sugata is the leader of the New World Discovery Club (新大陸発見部 Shin Tairiku Hakkenbu?) at Tomoki's school.[note 7] In the anime, Sugata usually opens the episodes with some philosophical narrations referencing historical explorers such as Magellan and Columbus.[note 8] He is an eccentric scientist of sorts and visits Synapse by using Nymph's Dive Game portal. He lives in a tent by a river and is usually seen in his school uniform.[ch. 5][note 9] Because of his camping lifestyle, he usually eats what he can forage and hunt in the wild, fishing and fighting off bears.[ch. 8]
Sugata appears to be old friends with Mikako Satsukitane, who refers to him as "Ei-kun", and whose servants call him master.[ch. 8,26] He behaves in a generally deadpan manner unless it involves the "New World",[ch. 11,50] or if it threatens to reveal his family background.[ch. 58,59]
Mikako Satsukitane (五月田根 美香子 Satsukitane Mikako?)
Voiced by: Ayahi Takagaki (Japanese), Jamie Marchi (English)
Mikako is an upperclassman to Tomoki and Mitsuki and the President of the Student Council. She is a childhood friend of Sugata, whom she refers to as "Ei-kun", and is the daughter of an influential Yakuza boss in Sorami.[ch. 8] She is manipulative, cunning, highly intelligent, athletic,[note 10] and somewhat sadistic.[note 11] She initiates many schemes in the manga, usually in the form of festival competitions that place Tomoki in humiliating situations for her pleasure. However, she can be thoughtful at times: when Tomoki breaks his contract with Ikaros, Mikako mends the situation by ordering Ikaros to throw Tomoki into the ocean.[ch. 45]
Mikako does not have a romantic interest in Tomoki, preferring instead to direct her affections towards Sugata. In the last episode of the second anime season, Mikako tells Tomoki to choose a bride, she appears in a wedding dress and wraps her arm around Sugata's saying she is already taken. In the manga, she gets enraged when Tomoki's mother flirts with Sugata, taking her wrath out on Tomoki.[ch. 49]
Nymph (ニンフ Ninfu?)
Voiced by: Iori Nomizu (Japanese), Kara Edwards (English)
  • Type: Beta, Height: 139 cm (4 ft 7 in), Weight: 29 kg (64 lb), Wing Type: Not Variable, Stealth[ch. 13][note 12]
Nymph is an "Electronic Warfare Angeloid, Type Beta" (電子戦用エンジェロイドタイプβ(ベータ)?). She is introduced when she finds Ikaros on an errand and attacks her[ch. 9], then later mysteriously appears in Tomoki's living room casually snacking on chips.[ch. 13][note 13] She has a condescending attitude towards humans, whom she refers to as "bugs", and she calls Angeloids by their types rather than their names, for example, she calls Ikaros "Alpha".[ch. 10,13] Despite the attitude, she starts enjoying everyday life and her favorite hobby is eating snacks and watching soap operas.[ch. 20]
Nymph's original mission is to retrieve Ikaros and return her to Synapse, however, she is physically weaker and fails to the mission after awakening Ikaros's Uranus Queen ability,[ch. 10] and is consequently heavily punished and abused.[ch. 12,13][note 14] After spending time with Tomoki and his friends, she begins to like humans, and soon develops feelings for Tomoki, albeit in an aloof fashion),[ch. 13,16,20] Nymph eventually betrays Synapse: in the manga she tries to surprise attack the Harpies, while in the anime she sides with Ikaros. In both cases, her wings are consequently ripped apart by the Harpies, but Tomoki and friends manage to free her link to her master.[ch. 15] The wings regenerate when she accepts Tomoki as her new master.[ch. 31] However, after the regrowth, Nymph needs to go through the Imprinting process required for her master;[ch. 34] she eventually asks Tomoki but he refuses, saying that he wanted her to live freely.[ch. 39]
As an Electronic Warfare-type Angeloid, Nymph's allocation of abilities emphasize her high processing capabilities and high emotional control, but her raw battle power is set low.[ch. 22] Nymph is able to hack computer systems as well as other Angeloids[ch. 10] and even humans.[ch. 25,27] She uses a device called the Dive Game which enables humans to enter each other's dreams and through Tomoki's dream, visit Synapse.[ch. 18] Her "Stealth" wings appear sheer, unlike Ikaros's wings which can only retract to stubs, and she can use this as a radar.[ch. 13,4][note 15] She can also fire a high-powered energy beam from her mouth called "Paradise Song" (パラダイスソング Paradaisu Songu?).[ch. 15] During the battle with Angeloid Hiyori, Tomoki's encouragement allows her to upgrade her powers to Aphrodite (アフロディーテ Afurodīte?), a "fundamental particle-jamming system" that she uses to hack and free Hiyori.[ch. 40][note 16]
Nymph is named and modeled after the nature spirits of Greek myth.
Astraea (アストレア Asutorea?)
Voiced by: Kaori Fukuhara (Japanese), Carli Mosier (English)
  • Type: Delta, Height: 159 cm (5 ft 3 in), Weight: 48 kg (106 lb), Wing Type: Not Variable, Super Acceleration[ch. 23][note 17]
Astraea is a very large-chested "Close-Combat Angeloid, Type Delta" (地戦闘用エンジェロイドタイプΔ(デルタ)?) sent by Synapse to kill Tomoki. She is strong in combat and emotion compared to Ikaros, but because of that allocation, her weakness is her low processing power, and the other Angeloids consider her an idiot; this is affirmed when she bungles her multilple chances to kill Tomoki at the Buddhist temple, and later at the quiz show where she fails basic questions such as "what is 1+1".[ch. 22,26]. She is also often found starving due to the fact that she does not know how to hunt or obtain food by her own means, resorting to eating Sugata's fish bait.[ch. 28]. After spending time with Tomoki, she refuses Master's order to kill Nymph, severing her own chain.[ch. 30-31]
Astraea has a good relationship with her senpai sisters. Astraea eventually realizes that she too has fallen in love with Tomoki, after listening to Chaos question what love is.[ch. 30,31,48] In recent chapters, she becomes depressed from losing her weapon and shield, but is encouraged by Tomoki who tells her only she can decide whether or not she is useless. She then decides to rescue her younger sister, Chaos.[ch. 60]
According to Daedalus, Astraea is extremely quick and has great close-combat capabilities but is vulnerable to long-range attacks. She wields a super-osciliating photon blade called Chrysaor (クリサオル Kurisaoru?), which can even penetrate Ikaros's Aegis defense system. For defense, she uses Aegis L (イージス L Ījisu Eru?, "L" standing for "left", as it appears on her left arm), a shield that is more powerful than Ikaros's version, but guards a limited angle and can only be deployed for a short period.[ch. 31] However, in her fight with Ikaros Melan, Astraea's sword and shield are destroyed.[ch. 56,60]
Astraea is named after the Greek mythological figure Astraea, who was a goddess of justice that later became the constellations Virgo and Libra.
Hiyori Kazane (風音 日和 Kazane Hiyori?)
Voiced by: Yōko Hikasa (Japanese), Colleen Clinkenbeard (English)
Hiyori is a second-year student at Tomoki's school whose story is detailed in Heaven's Lost Property the Movie: The Angeloid of Clockwork. She has feelings for Tomoki and joins the New World Discovery Club in order to get closer to him.[ch. 34] In reality, Hiyori is an Angel who was first seen inside some sort of sleeping chamber when Sugata went to Synapse. The chamber connects her to her body on Earth, which functions like an avatar.[ch. 24] Sugata is hesitant on letting her join his club, but welcomes her anyway upon hearing the club would receive more funding. Tomoki puts Hiyori through an false initiation to assess her purity, but she innocently participates in. Thus far, only Sugata, Nymph, and Ikaros are aware of Hiyori's true identity.[ch. 35,38]
Hiyori gets rather embarrassed when it is suggested that she and Tomoki are an item; while she likes Tomoki, she has not considered dating him yet, and her presence becomes a source of major discomfort for Sohara, Nymph, and Astraea. This stems from the realization that Hiyori is always kind and caring to Tomoki, while the others seem to only see his "faults".[ch. 36] Eventually, Hiyori manages to confess her feelings to Tomoki, which leaves him in shock as no girl has ever confessed to him before. However, her time with Tomoki was ultimately cut short when a sleepy truck driver ran her over, causing her body to disappear and her existence erased from everyone's memories (except the Angeloids and Tomoki).[ch. 36-38]
Hiyori is later converted to a "Type Zeta" Angeloid, working for Master of Synapse to destroy the city using a staff called Demeter (デメテル Demeteru?), which has the power to manipulate the weather, lowering the air pressure to knock Tomoki down. She is also able to counter-hack Nymph, but eventually loses when Nymph evolves into Aphrodite mode. After being freed from Master, Hiyori remains on Earth and quits the New World Discovery Club, having accomplished her goal of getting close to Tomoki, and leaves him with a farewell kiss,[ch. 40] although she still harbors some feelings for Tomoki.[ch. 61]

Other characters


Daedalus (ダイダロス Daidarosu?)
Voiced by: Asuka Ōgame (Japanese), Monica Rial (English)
Daedalus is an angel that frequently appears in Tomoki's dreams, but she flies away leaving Tomoki crying. She comes to his dreams asking him to help save her. It appears that she greatly cares for Tomoki. Her name originates from the Greek mythological character Daedalus, the father of Icarus, and her face is obscured in all of her appearances.[ch. 1,18] It is later revealed she is the creator of the first generation of Angeloids including Ikaros, Nymph, and Astarea.[ch. 26] She helps Sugata when he visits Synapse.[ch. 29,30]
Master of Synapse (空(シナプス)のマスター Shinapusu no Masutā?)
Voiced by: Shinichiro Miki (Japanese), Mike McFarland (English)
The sadistic and ruthless ruler of Synapse and the series' main antagonist, Master enjoys torturing the Angeloids he owns (both physically and emotionally), seeing them as merely his playthings to which he can do with as he pleases and discarding them while considering them nothing more than trash. He is condescending towards humans, referring to them as "Downers", a trait that is also shared with his Angeloids. Though because of his arrogant ways and believing that the Angeloids that serve him will obey his every order, he always reacts surprised when he witnesses one of them break their chain or go against his orders. He is often seen on his throne with two Angeloids beside him and, like Daedalus, his face is obscured in all of his appearances.[ch. 12-15] He also creates an "Ultimate Air Defense System" called Zeus (ゼウス Zeusu?).[ch. 47]
Harpies (ハーピー Hāpī?)
Voiced by: Michiko Neya (Harpy 1), Maya Okamoto (Harpy 2) (Japanese), Clarine Harp (Harpy), Stephanie Young (Gamma)[note 18] (English)
  • Type: Gamma, Height: 166 cm (5 ft 5 in), Weight: 51 kg (112 lb), Wing Type: Not Variable, High-Altitude[ch. 62]
A pair of "Interceptor Angeloids, Type Gamma" (要撃用エンジェロイドタイプγ?), who answer directly to the Master of Synapse. They are responsible for tearing off Nymph's wings[ch. 15] and are also guards at Synapse's lab.[ch. 18,26,29] They are equipped with a "High-Fever Object Compression Anti-Aircraft Gun" on their left arm called Prometheus (プロメテウス Purometeusu?), which fires white-hot projectiles of 3,000 °C (5,430 °F) at 4 kilometres per second (8,900 mph),[ch. 15] and a "Super Vibration Claw" called Nemea (ネメア?) mounted on their right arm.[ch. 62] They are named and modeled after the harpies of Greek mythology. After Master orders them to attack Ikaros for his amusement, but they are interrupted by Tomoki, who tells them to dress up; the younger twin is embarrassed, but the older twin plays along until they get to a bikini where she becomes extremely conscious about showing her bullybutton that she flees[ch. 62]. It is revealed that they (Or at least the eldest) cannot handle being underwater and almost drowned because of it [ch. 63] but was save by Tomoki, Eishiro and Sohara.
Chaos (カオス Kaosu?)
Voiced by: Aki Toyosaki (Japanese), Carrie Savage (English)
  • Type: Epsilon, Height: 107 cm (3 ft 6 in), Weight: 19 kg (42 lb)[ch. 31]
Chaos is a "Second-Generation Angeloid, Type Epsilon" (第二世代エンジェロイドタイプε Dainisedai Enjeroido, Taipu Epushiron?) and a major antagonist of the series. She initially appears to Tomoki as a girl in a nun's outfit.[ch. 28] Chaos can change her appearance to mimic someone dear to her victim in order to instill turmoil and confusion (as her name implies), as she did against Nymph (and Ikaros) by taking on the likeness of Tomoki.[ch. 29] Her "wings" are a wicked array of bladed, almost organic-like appendages. Unlike the first generation Angeloids who lack the ability to sleep, Chaos can enter another person's dream, as she has initially done with Tomoki. Chaos has a strange obsession with love, often asking the person what love is, to which Ikaros responded that love, for her, was a sensation of pain in her reactor, obviously in a figurative sense.[ch. 31]
Chaos's first mission is to retrieve Ikaros's core. She lures Nymph by deceptively posing as Tomoki and then orders her to kill herself.[ch. 29] She also fights and defeats the other first generation Angeloids, except for Ikaros who sends Chaos into an ocean chasm where she was temporarily incapacitated due to the great water pressure.[ch. 31] While there, she concludes that love equates to pain. Chaos was left in the abyss, dismembering and devouring fish to—in her own words, grow bigger—and show her "love" to everyone. She easily devours and absorbs Seiren, one of the Sky Master's Angeloids, and using a "Self-Evolution Program" named Pandora (パンドラ?), has evolved into Chaos Version 2.[ch. 45,47][note 19] She continues to question love by following Tomoki around a bit, but returns to her master only to be shot down by the Zeus cannon, and after overhearing Tomoki tell his Angeloids to go away, decides to return to the ocean floor to express her love more.[ch. 47] She later returns to devour the dark Angeloids, acquiring their powers, yet holds back due to her feelings for Tomoki and her desire to be accepted by Tomoki as a "good girl".[ch. 56] She returns to the ocean floor as Astraea looks for her.[ch. 56,60]
In the Sora no Otoshimono: Forte anime, after Chaos is plunged into the sea, she emerges as an adult and fights Nymph and Astraea, easily overpowering them until Ikaros arrives. She was later then defeated by Astraea and Ikaros using their upgraded weapons (courtesy of Nymph) and briefly shuts down, after which Tomoki installs on her chain a padlock device given to him by Daedalus, who then restores Chaos to her child form. Chaos then joins the cast as the newest resident of Tomoki's household.
Oregano (オレガノ?)
Oregano, also known as "Mini-Ikaros" (ミニイカロス Mini-Ikarosu?), is a mass-produced Medical Specialist Angeloid (医療用エンジェロイドタイプ?) from Synapse who mysteriously managed to come to Earth by tagging along with Eishiro as he teleported back from one of his trips.[ch. 51] Mikako took her in afterwards (even giving her the ability to speak, a first since her Angeloid type are usually mute), as Tomoki did not have enough money to support another Angeloid. While Tomoki and Nymph were initially concerned that Mikako would abuse Oregano, they find her initially generally courteous and well-mannered, that is, until Tomoki leaves; then Oregano acts particularly vicious to Nymph by serving her vile food, insulting her, and trapping her in a cell full of ecchi animals (frogs licking, eels squirming) while dumping a bunch of grenades on her, all the while spinning the situations as if it were all Nymph's fault.[ch. 52] She later reveals that Nymph used to visit her village and forced everyone to listen to her horrible singing.[ch. 60]
Seiren (セイレーン Seirēn?)
Seiren is an "Underwater Combat Angeloid, Type Eta" (水中戦闘用エンジェロイドタイプη(イータ)?) built by the Master of Synapse who has a very brief appearance in the manga. She is ordered to kill Tomoki and Ikaros, but before she does anything, she is impaled in the back by one of Chaos' wings and then devoured by Chaos.[ch. 45] Her appearance is based on the sirens of Greek mythlology.
Ikaros Melan (イカロス=メラン Ikarosu Meran?, Ίκαρος Μέλαν)
  • Type: Theta, Height: 162 cm (5 ft 4 in), Weight: 48 kg (106 lb), Wing type: Variable [ch. 55]
Ikaros Melan, or "Black Ikaros", is a "Tactical Angeloid, Type Theta" (戦略エンジェロイドタイプθ(シータ)?) is introduced as a dark winged copy of Ikaros, possessing a Variable Wing core designed by the Master of Synapse. As a Second-Generation Angeloid, Ikaros Melan is stronger than her original: Astraea's Chrysaor breaks on her Aegis shield, and her counter-punch breaks Astraea's Aegis L. She is eventually destroyed when the real Ikaros contains both in an Aegis shield and sacrifices herself with an explosion. She and the dark Angeloids are then consumed by Chaos.[ch. 54-56]


Tomozo Sakurai (桜井 智蔵 Sakurai Tomozō?)
Voiced by: Hiroshi Iwasaki (Japanese), Bill Flynn (English)
Tomoki's equally perverted grandfather, whose dream was to sleep with every woman in the world, but could not do so before his death.[note 20] He usually appears when Tomoki is in a dire situation, usually as a flashback or some supernatural phonomena, to give him albeit perverted advice.[ch. 7,18,22,33] The manga features a recurring gag where Tomoki (and sometimes a friend) would be killed after doing something ecchi; grandpa would meet them in the afterlife and tell them to "go home" (back to life).[ch. 27,41]
Takehara (竹原?)
Voiced by: Takeshi Maruyama (Japanese), Sonny Strait (English)
Tomoki's math teacher who frequently does announcing or commentary on the Satsukitane-sponsored sporting events and competitions in the series.[ch. 19,26]
Zero (Judas)
Voiced by: Jūrōta Kosugi (Japanese), Christopher Sabat (English)}
A mysterious visitor who minds a pigeon-covered booth bearing the name JUDAS. He regularly appears during the Satsukitane festivals to foil any chances Tomoki has of winning the event, usually overpowering him with his pair of pistols. He is directly based on the title character in the Judas manga that Minazuki worked on prior to this series. In the manga, he is never mentioned by name, but in the anime he is credited by the name Zero.[ch. 19]
Tomoyo Sakurai (桜井 智代 Sakurai Tomoyo?)
Tomoki's mother, whose appearance resembles Tomoki's female alter ego, Tomoko. She is just as perverted as her son, having inherited that characteristic from her father, Tomozo Sakurai. She and her husband left Tomoki on a "world tour" when he was only 10 years old, prior to the series' start. When she reunites with her son, she harasses Astraea and some of the other girls by fondling their breasts, and then flirts with Sugata, which enrages Mikako. She is finally stopped by her husband Tsutsumi, and then resumes her world tour with him.[ch. 49]
Tsutsumi Sakurai (桜井 つつみ Sakurai Tsutsumi?)
Tomoki's father who briefly appears at the end of chapter 49 of the manga. He is very much like Sohara in that he packs a powerful karate chop that he uses on his wife for her pervertedness. Tsutsumi was actually married into the Sakurai family, while Tomoyo is the descendant of the Sakurai bloodline.[ch. 49]
Yoshitsune Hououin (鳳凰院 義経 Hōōin Yoshitsune?) and Tsukino Hououin (鳳凰院 月乃 Hōōin Tsukino?)
Yoshitsune Voiced by: Shinji Kawada (Japanese), J. Michael Tatum (English)
Tsukino Voiced by: Minako Kotobuki (Japanese), Cherami Leigh (English)
Yoshitsune Hououin is the guy from the rival school that competes against Tomoki's school during the cultural festivals.[ch. 21,44] He comes from a wealthy family, although, in a public showdown against Mikako, his fortune cannot rival Mikako's "black money". Tsukino is his little sister who always looks up to him, that is, until Yoshitsune acts like a pervert by flipping a girl's skirt. Tomoki and friends try to help him reconcile with his sister while still acting like a man. He also notices that Sugata is hiding something about his past.[ch. 58]


Synapse (シナプス Shinapusu?)
Synapse is an alternate world located in the skies that is home to the Angels and the Angeloids. It was first introduced in the series as a black hole above Sorami when Sugata did his research on the New World and as a result, believes that Synapse is the "New World" and begins to investigate it, with Nymph aiding him later on. In Synapse, there is a large dome that contains numerous Angels in sleeping pods, which connects them to their real-world avatars. If the avatar in the real world is killed, the people associated with them will have their memories erased, such as the case with Hiyori. Also in Synapse is a large obelisk called the Core, which has its rules written on it.[ch. 2,18,24]
Angeloids (エンジェロイド Enjeroido?)
The Angeloids are a series of gynoids built by Synapse. As part of their name implies, they are modeled after the Angels and are programmed to serve their masters. They select their master through a process called "Imprinting", in which the chain attached to their neck collar extends to their chosen master's hand and ties it, connecting it to the collar.[ch. 3] The first generation of Angeloids (Ikaros, Nymph, and Astraea) were built by Daedalus, while the second generation of Angeloids (Chaos, Hiyori, Seiren, and Ikaros Melan) were built (or in Hiyori's case, converted to) by the Master of Synapse.
Each Angeloid is designated with a letter of the Greek alphabet, which descends for every new Angeloid built. Ikaros, the first Angeloid built, is a "Type Alpha" Angeloid, while Ikaros Melan, the most recent Angeloid, is a "Type Theta" Angeloid. Each Angeloid has their own unique abilities and powers, which are determined from three main parameters: battle capability, emotional control and processing capability. Unlike humans and Angels, Angeloids cannot sleep or have dreams, except for Chaos.[note 21] The Angeloids are able to perform other human functions such as eating and expressing emotions. With the execption of Seiren (and consequently Chaos), Angeloids cannot swim because their wings absorb water, causing them to sink, however, Ikaros is able to function underwater. The Angeloids' names, weapons, and abilities are primarily derived from Greek gods and mythological figures.
Self-Evolution Program Pandora (自己進化プログラムパンドラ Jiko Shinka Puroguramu Pandora?)
A program built into certain Angeloids that allow them to learn and adapt to various environments and situations and eventually evolve into stronger beings with additional capabilities. Chaos is the first to demonstrate its ability when she absorbs Second-Generation Angeloid Seiren and grows amphibian wings to swim underwater. Daedalus later reveals that she built the Pandora program into her First-Generation Angeloids but added a protection layer so they would not evolve "by mistake". During chapter 55, Nymph is the first one to break the protection layer and evolve her Aprodite mode, and the end of the chapter, a severely damaged Ikaros, previously assumed irrepairable with 97% of her systems damaged and her self-repair program destroyed, also activates Pandora to evolve.[ch. 55-56]



Sora no Otoshimono began monthly serialization in the May 2007 issue of Shōnen Ace. The first tankōbon was released by Kadokawa Shoten on September 26, 2007, with a total of fifteen tankōbon released in Japan as of July 26, 2012.

In addition, a four-panel comic, titled Sora no Otoshimono Pico (そらのおとしものPICO Sora no Otoshimono Piko?), illustrated by ms, was developed and published in the inaugural issue of Kadokawa Shoten's 4-Koma Nano Ace magazine (published on March 9, 2011), and continued in Shōnen Ace until its conclusion on March 26, 2011. It focus the lives of Astraea, Nymph, and Ikaros.[4]

No.Japanese release dateJapanese ISBN
01September 26, 2007[5]ISBN 978-4-04-713973-2
  • Chapter 1: Falling
  • Chapter 2: Conquer
  • Chapter 3: Soar
  • Chapter 4: Sink
  • Extra: The First Errand
02December 26, 2007[6]ISBN 978-4-04-715013-3
  • Chapter 5: Homework
  • Chapter 6: Dirge
  • Chapter 7: Blown up
  • Chapter 8: Homeless
  • Extra: The First Allowance - UMA chapter
  • Chapter 9: Lies
03July 26, 2008[7]ISBN 978-4-04-715079-9
  • Chapter 10: Emotions
  • Chapter 11: The Female Bath Area
  • Chapter 12: School
  • Chapter 13: Multiply
  • Chapter 14: Smile Attack
04January 26, 2009[8]ISBN 978-4-04-715164-2
  • Chapter 15: Toy
  • Extra: The North Wind and the Sun - UMA chapter
  • Chapter 16: Orders
  • Chapter 17: Camp
  • Chapter 18: Dive
05April 25, 2009[9]ISBN 978-4-04-715228-1
  • Chapter 19: Contest
  • Chapter 20: Date
  • Chapter 21: Culture
  • Chapter 22: Eliminate
  • Extra: Her First Change of Residence - Sohara Mitsuki chapter
  • Extra: Her First Change of Clothes - Nymph chapter
06September 26, 2009[10]ISBN 978-4-04-715292-2
  • Chapter 23: War
  • Chapter 24: Investigation
  • Chapter 25: Out of Money
  • Chapter 26: Supplementary Lessons
  • Extra: The First Excavation
07October 26, 2009[11]ISBN 978-4-04-715301-1
  • Chapter 27: Swimming
  • Chapter 28: Survival
  • Chapter 29: Chaos
  • Chapter 30: Dolly
  • Extra: The North Wind and the Sun 2
  • Extra: The Smartest Kid Championship
08March 26, 2010[12]ISBN 978-4-04-715399-8
  • Chapter 31: Second-Generation Angeloid
  • Extra: Hide Your Porn Underneath Your Bed (Astraea, Nymph, Ikaros versions)
  • Chapter 32: Letter
  • Chapter 33: Cleansing
  • Chapter 34: New Member
09September 9, 2010 (with DVD ed.)[13]
September 25, 2010 (normal ed.)[14]
ISBN 978-4-04-900800-5
ISBN 978-4-04-715520-6
  • Chapter 35: Purity
  • Chapter 36: Doubts
  • Chapter 37: Hiyori
  • Chapter 38: Forgetfulness
10October 26, 2010[15]ISBN 978-4-04-715545-9
  • Chapter 39: Conflict
  • Chapter 40: Leaving the Club
  • Chapter 41: Execution
  • Chapter 42: Combine
  • Extra: An Oppai Mousepad and I - Tomoki Sakurai arc
11January 26, 2011[16]ISBN 978-4-04-715603-6
  • Chapter 43: Division
  • Chapter 44: Culture
  • Chapter 45: Freedom
  • Chapter 46: Love
  • Extra: Hide Your Porn Underneath Your Bed (conclusion)
12June 4, 2011[17]ISBN 978-4-04-715711-8
  • Chapter 47: The Road Home
  • Chapter 48: Stray Dogs
  • Chapter 49: Sakurai
  • Chapter 50: Measurement
13November 26, 2011[18]ISBN 978-4-04-120008-7
  • Chapter 51: Watermelon
  • Extra: But I Just Picked Them Up! (Sohara, Astraea, Nymph, Ikaros)
  • Chapter 52: Language
  • Chapter 53: The World
  • Chapter 54: Sign of Life
14March 26, 2012[19]ISBN 978-4-04-120163-3
  • Chapter 55: Power
  • Chapter 56: Intellect
  • Chapter 57: Holy Night
15July 26, 2012[20]ISBN 978-4-04-120322-4
  • Chapter 58: Friendship
  • Chapter 59: Siblings
  • Chapter 60: Sisters
  • Chapter 61: Chops
  • Extra:

Chapters not in tankōbon format


An anime adaptation produced by AIC and directed by Hisashi Saitō aired in Japan between October 4, 2009 and December 27, 2009 on TV Saitama and Chiba TV, with subsequent broadcasts on KBS, tvk, Sun Television, TVQ, Tokyo MX and TV Aichi,[1] with English-subtitled simulcasts provided on the Crunchyroll. Seven DVD compilation volumes were released between December 25, 2009 and June 25, 2010 by Kadokawa Pictures, with limited edition volumes also sold.[21] A Blu-ray box set was released on June 24, 2011. An OVA episode entitled "Project Pink" was bundled with the limited edition release of volume 9 of the manga on DVD on September 9, 2010.[13]

A second season, Sora no Otoshimono: Forte (そらのおとしもの f (フォルテ)?), was announced on reprinted copies of the manga,[22] and aired 12 episodes between October 1 to December 17, 2010 with simulcasts provided by Crunchyroll, as with the first season.[23] Six DVD volumes were released by Kadokawa Pictures between December 24, 2010 and May 27, 2011.[24] A third season of Sora no Otoshimono has been announced.[3]

The opening theme for the first season is "Ring My Bell", while the opening theme for the second season is "Heart no Kakuritsu" (ハートの確率 Hāto no Kakuritsu?, "Probabilities of the Heart"); both are performed by Blue Drops featuring singers Hitomi Yoshida and Ikaros (Saori Hayami). Both seasons also use different ending themes for each episode.

Both seasons of the anime are licensed in North America by Funimation Entertainment, releasing them under the respective titles of Heaven's Lost Property and Heaven's Lost Property: Forte.[25][26] The first season was released on December 20, 2011 on DVD and Blu-ray.[27] However, due to concerns from the Japanese licensing company regarding Blu-ray sales, the second season was released only as a 2-disc DVD set in North America in March 20, 2012.[28]


A film adaptation called Sora no Otoshimono the Movie: The Angeloid of Clockwork (劇場版 そらのおとしもの 時計じかけの哀女神(エンジェロイド) Gekijōban Sora no Otoshimono: Tokei-jikake no Enjeroido?) was announced by Kadokawa Shoten in November 2010.[29] The film focuses on the Hiyori arc of the manga. A 30-second teaser trailer was shown in the post-end credits of the final episode of Forte. The film premiered in Japanese theaters on June 25, 2011.[2] Funimation Entertainment licensed the film under the title of Heaven's Lost Property the Movie: The Angeloid of Clockwork, and expects to release it in 2012.[30]

Light novels

A light novel adaptation of Sora no Otoshimono written by Rin Kazaki and illustrated by Minazuki was released by Kadokawa Shoten on February 1, 2010 under its Kadokawa Sneaker Bunko imprint.[31] A sequel to the light novel called Sora no Otoshimono f, written by Rin Kanzaki and illustrated by Minazuki and Ayun Tachibana, was released on October 1, 2010.[32]

Video games

A video game developed by Kadokawa Shoten called Sora no Otoshimono: Heart-Throbbing Summer Vacation (そらのおとしもの ドキドキサマーバケーション Sora no Otoshimono Dokidoki Samā Bakēshon?) was released for the PlayStation Portable on March 25, 2010, featuring character interactions and mini-game puzzles.[33]

Another game developed by Kadokawa Shoten called Sora no Otoshimono Forte: Dreamy Season (そらのおとしものf(フォルテ) Dreamy Season Sora no Otoshimono Forute Dorīmī Shīzun?) was released for the Nintendo DS on January 27, 2011, with gameplay of a visual novel plus some mildly sexually suggestive mini-games.[34]


Tim Jones of T.H.E.M. Anime Reviews states that the anime show "Dangles between the line of guilty pleasure and stupid, but manages to be an entertaining series all the same." and is actually funny in comparison to DearS, with "decent fanservice, amusing characters, and doesn't revolve entirely around subservient alien girls", however, he is critical of the tacked on fanservice, and dislikes Mikako's terrible character, "basically a two-faced bitch" whose smirks imply a "mean-spirited, unfunny joke coming out of her mouth."[35] Chris Beveridge of Mania.com notes that the second anime series "provides the kind of humor that's good to have once in awhile and certainly not what I want out of a lot of series, but the staff here has hit just about everything right (outside of that awful wrestling episode)."[36] Theron Martin of Anime News Network considered the second series sporadically enjoyable, with much of the attempts at humor and fanservice to be abysmally poor, although he enjoyed the English dub's voice work.[37] Dennis Amith of J!-ENT considered the series "Intriguingly perverse, reminiscent of Urusei Yatsura and Chobits" and appealing to harem and fan service anime fans, but "enjoyed with every episode, the voice talent singing songs via anime theme songs from the ’70s, ’80′s and modern-style themes".[38]

Following the anime episode ending involving flying panties, Rocket Girls creator Hōsuke Nojiri created a rubber band powered ornithopter in the shape of the panties, and posted the video on Nico Nico Douga where it soon became viral. NKH (Niconico's live streaming station) and a local school (Niconico Technical Community) then hosted a Sora Fes event on March 6, 2010, where participants built and flew model airplanes in the likeness of the flying panties. Nojiri, along with OpenSky's media artist Kazuhiko Hachiya, director Hisashi Saito, and TBS announcer Jun Suzuki also attended the event.[39][40]

With the broadcast of the Sora No Otoshimono Forte anime season, the January 2011 issue of Newtype featured Ikaros as the most popular female character, with Nymph at #7 and Astraea at #9. Tomoki Sakurai was also listed as #5 for most popular male character in that month.[41] Streaming broadcaster Crunchyroll reported that Sora No Otoshimono Forte ranked #3 in popularity of their top 10 anime broadcasts in the Fall of 2010.[42]


Several types of merchandise have been produced based primarily on the female characters of Sora no Otoshimono including figurines, t-shirts, keychains, and body pillows.[43] "Oppai" Mouse pads were also produced; the one of Ikaros became the subject of a bonus chapter.[vol. 10:extra][44]


  1. ^ Tomoki is 14 years old when he goes on his first date with Ikaros and Nymph.[ch. 20]
  2. ^ According to Astraea, Tomoki has been having the recurring dream for about 11 years, but it was not taken as a threat by Synapse until Tomoki and friends visited.[ch. 22]
  3. ^ The manga features a recurring gag where the main characters gather at his house for fun, and whenever Tomoki is frustrated, he comically overturns his coffee table in anger, even doing so when there are no coffee tables, during which he materializes a "coffee table of the heart".[ch. 20,48]
  4. ^ The Angeloids and other characters are occasionally presented super deformed in comical situations.
  5. ^ Each of the cards is restricted to one type of wish such as making food, making money, or changing panties. Some are limited to single use.[ch. 2-4]
  6. ^ In one instance, she became extremely depressed when Tomoki broke the imprinting between them and finds it difficult to express her feelings (Mikako notes that Ikaros has difficulty being open with her emotions involving Tomoki unless his life is in danger) until she was ordered to throw Tomoki into the ocean. This puts enough emotional stress on her that she tearfully begs Tomoki not to throw her away.[ch. 45]
  7. ^ Sugata and Mikako are a year ahead of Tomoki and Sohara in middle school. In the chapter where Tomoki solicits Sugata's help to use a transformation card, Sugata is stated to be 15 years old.[ch. 11]
  8. ^ Mikako assists Sugata with the narrations halfway through season 1 until early in season 2 until she gets bored.
  9. ^ In a chapter where they visit a water park, Sugata is still wearing his school uniform and mentions he does not have any other clothes.[ch. 27]
  10. ^ In a wrestling event, although Mikako is 164 cm (5 ft 5 in) tall and weighs 46 kg (101 lb), she is able to apply a hand grip of 400 kg (882 lb) on Sugata.[ch. 19]
  11. ^ In one chapter, Mikako has to stay after school for supplementary lessons in Ethics.[ch. 26]
  12. ^ In the wrestling episode, Nymph's measurements are billed as Height: 139 cm (4 ft 7 in), Weight: 29 kg (63.9 lb), Bust: 72 cm (28 in), Waist: 45 cm (18 in), Hip: 68 cm (27 in)
    "A Proud-fought Battle!" (in Japanese). Heaven's Lost Property. episode 3. series 2. Event occurs at 13:03. 
  13. ^ In the anime, Nymph is introduced earlier in the storyline right before they go to the beach. She also participates in going to school and hangs out with Ikaros at the bath house.
  14. ^ In the manga, Nymph also carries a timed explosive device so that regardless of the results of her mission, she would be destroyed. However it does not go off after she is freed.[ch. 12-16]
  15. ^ Nymph's radar range is based on her wings; it weakens significantly during the time she is wingless.[vol. 6:chapter EX]
  16. ^ When Nymph is in Aphrodite mode, her wings assume a butterfly shape. She also generates a lot of heat and requires cooling soon afterwards.[ch. 40]
  17. ^ In the wrestling episode, Astraea's measurements are billed as Height: 159 cm (5 ft 3 in), Weight: 48 kg (106 lb), Bust: 91 cm (36 in), Waist: 56 cm (22 in), Hip: 86 cm (34 in)
    "A Proud-fought Battle!" (in Japanese). Heaven's Lost Property. episode 3. series 2. Event occurs at 12:35. 
  18. ^ In the Funimation dub, one of the duo is named Harpy and the other is named Gamma.
  19. ^ Chaos Version 2 weighs 20 kg (44 lb), Wing Type: Imperfect Variable, Amphibian. She is also equipped with an "Anti-Perception System" called Medusa and a "Super-High-Speed Atomic Vibration Generator" called Chimera.[ch. 47]
  20. ^ On his deathbed, Tomoki's grandfather stated he still had 2,957,252,616 women to go.[ch. 18]
  21. ^ Chaos may be an exception to the "no dreams" rule as she can enter people's dreams.



Sora no Otoshimono manga volumes by Suu Minazuki. Original Japanese version published by Kadokawa Shoten.
  1. Vol. 1 (ch. 1–4): そらのおとしもの (1). September 26, 2007 ISBN 978-4-04-713973-2 (in Japanese).
  2. Vol. 2 (ch. 5–9): そらのおとしもの (2). December 26, 2007 ISBN 978-4-04-715013-3 (in Japanese).
  3. Vol. 3 (ch. 10–14): そらのおとしもの (3). July 26, 2008 ISBN 978-4-04-715079-9 (in Japanese).
  4. Vol. 4 (ch. 15–18): そらのおとしもの (4). January 26, 2009 ISBN 978-4-04-715164-2 (in Japanese).
  5. Vol. 5 (ch. 19–22): そらのおとしもの (5). April 25, 2009 ISBN 978-4-04-715228-1 (in Japanese).
  6. Vol. 6 (ch. 23–26): そらのおとしもの (6). September 26, 2009 ISBN 978-4-04-715292-2 (in Japanese).
  7. Vol. 7 (ch. 27–30): そらのおとしもの (7). October 26, 2009 ISBN 978-4-04-715301-1 (in Japanese).
  8. Vol. 8 (ch. 31–34): そらのおとしもの (8). March 26, 2010 ISBN 978-4-04-715399-8 (in Japanese).
  9. Vol. 9 (ch. 35–38): そらのおとしもの (9). September 9, 2010 ISBN 978-4-04-900800-5 (in Japanese).
  10. Vol. 10 (ch. 39–42): そらのおとしもの (10). October 26, 2010 ISBN 978-4-04-715545-9 (in Japanese).
  11. Vol. 11 (ch. 43–46): そらのおとしもの (11). January 26, 2011 ISBN 978-4-04-715603-6 (in Japanese).
  12. Vol. 12 (ch. 47–50): そらのおとしもの (12). June 4, 2011 ISBN 978-4-04-715711-8 (in Japanese).
  13. Vol. 13 (ch. 51–54): そらのおとしもの (13). November 26, 2011 ISBN 978-4-04-120008-7 (in Japanese).
  14. Vol. 14 (ch. 55–57): そらのおとしもの (14). March 26, 2012 ISBN 978-4-04-120163-3 (in Japanese).
  15. Vol. 15 (ch. 58–61): そらのおとしもの (15). July 26, 2012 ISBN 978-4-04-120322-4 (in Japanese).

Other sources

  1. ^ a b "Sora no Otoshimono Manga Has Anime in Development". Anime News Network. January 23, 2009. http://www.animenewsnetwork.com/news/2009-01-23/sora-no-otoshimono-manga-has-anime-in-development. Retrieved January 24, 2009. 
  2. ^ a b "Sora no Otoshimono Film Trailer Streamed". Anime News Network. March 21, 2011. http://www.animenewsnetwork.com/news/2011-03-21/sora-no-otoshimono-film-trailer-streamed. Retrieved March 22, 2011. 
  3. ^ a b "Sora no Otoshimono's 3rd Anime Season Listed". Anime News Network. January 22, 2012. http://www.animenewsnetwork.com/news/2012-01-22/sora-no-otoshimono-3rd-anime-season-listed. Retrieved January 23, 2012. 
  4. ^ "Black Rock Shooter's 4-Panel Manga Launches This Week". Anime News Network. 2011-03-07. http://www.animenewsnetwork.com/news/2011-03-07/black-rock-shooter-4-panel-manga-launches-this-week. 
  5. ^ "そらのおとしもの (1)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=200707000141. Retrieved July 9, 2010. 
  6. ^ "そらのおとしもの (2)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=200711000031. Retrieved July 9, 2010. 
  7. ^ "そらのおとしもの (3)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=200804000009. Retrieved July 9, 2010. 
  8. ^ "そらのおとしもの (4)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=200804000014. Retrieved July 9, 2010. 
  9. ^ "そらのおとしもの (5)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=200804000018. Retrieved July 9, 2010. 
  10. ^ "そらのおとしもの (6)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=200904000333. Retrieved July 9, 2010. 
  11. ^ "そらのおとしもの (7)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=200904000335. Retrieved July 9, 2010. 
  12. ^ "そらのおとしもの (8)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=200904000336. Retrieved July 9, 2010. 
  13. ^ a b "そらのおとしもの (9) オリジナルアニメDVD付き限定版" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=201002000438. Retrieved September 4, 2010. 
  14. ^ "そらのおとしもの (9)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=201002000033. Retrieved September 4, 2010. 
  15. ^ "そらのおとしもの (10)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=201002000034. Retrieved October 18, 2010. 
  16. ^ "そらのおとしもの (11)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=201008000627. Retrieved December 20, 2010. 
  17. ^ "そらのおとしもの (12)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=201012000636. Retrieved June 7, 2011. 
  18. ^ "そらのおとしもの (13)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=201012000637. Retrieved October 21, 2011. 
  19. ^ "そらのおとしもの (14)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=201105000045. Retrieved March 25, 2012. 
  20. ^ "そらのおとしもの (15)" (in Japanese). Kadokawa Shoten. http://www.kadokawa.co.jp/comic/bk_detail.php?pcd=201201000412. Retrieved July 24, 2012. 
  21. ^ "Sora no Otoshimono DVD volumes" (in Japanese). Kadokawa Pictures. http://www.kadokawa-pictures.co.jp/official/sorano_otoshimono/video.shtml. Retrieved June 7, 2011. 
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External links