Manga
Heaven's Lost Property began monthly serialization in the May 2007 issue of Shōnen Ace sold on March 26, 2007, and concluded with the March 2014 issue sold on January 26, 2014.[9] The first tankōbon was released by Kadokawa Shoten on September 26, 2007, with a total of 20 tankōbon released in Japan. Chapter titles are often suffixed with two exclamation points.
In addition, a four-panel comic, titled Sora no Otoshimono Pico (そらのおとしものPICO), 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 focuses on the lives of Astraea, Nymph, and Ikaros.[10]
Anime
An anime adaptation produced by AIC and directed by Hisashi Saitō aired in Japan from October 4 to December 27, 2009, on TV Saitama and Chiba TV, with subsequent broadcasts on KBS, tvk, Sun Television, TVQ, Tokyo MX and TV Aichi,[3] 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.[11] 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.[12]
A second season, Sora no Otoshimono: Forte (そらのおとしもの(フォルテ)), was announced on reprinted copies of the manga,[13] and aired 12 episodes between October 1 to December 17, 2010, with simulcasts provided by Crunchyroll, as with the first season.[14] Six DVD volumes were released by Kadokawa Pictures between December 24, 2010, and May 27, 2011.[15]
The opening theme for the first season is "Ring My Bell", and for the second season, it is "Heart no Kakuritsu" (ハートの確率); both are performed by Blue Drops and feature 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, which released them under the respective titles of Heaven's Lost Property and Heaven's Lost Property: Forte.[16][17] The first season was released on December 20, 2011, on DVD and Blu-ray.[18] 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 on March 20, 2012.[19] The second season was released on Blu-ray on June 25, 2013.[20]
Films
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)) was announced by Kadokawa Shoten in November 2010.[21] 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.[22] Funimation Entertainment licensed the film under the title of Heaven's Lost Property the Movie: The Angeloid of Clockwork, and released it on February 26, 2013.[23][24] A second film called Heaven's Lost Property Final – The Movie: Eternally My Master was released on April 26, 2014.[25]
Films
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)) was announced by Kadokawa Shoten in November 2010.[21] 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.[22] Funimation Entertainment licensed the film under the title of Heaven's Lost Property the Movie: The Angeloid of Clockwork, and released it on February 26, 2013.[23][24] A second film called Heaven's Lost Property Final – The Movie: Eternally My Master was released on April 26, 2014.[25]
A light novel adaptation of Heaven's Lost Property written by Rin Kazaki and illustrated by Minazuki was released by Kadokawa Shoten on February 1, 2010, under its Kadokawa Sneaker Bunko imprint.[26] 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.[27]
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) was released for the PlayStation Portable on March 25, 2010, featuring character interactions and mini-game puzzles.[28] 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) was released for the Nintendo DS on January 27, 2011, with gameplay of a visual novel plus some mildly sexually suggestive mini-games.[29]