a Japanese light novel created by Hitomi Amamiya, with illustrations by Hisashi Hirai. It was first serialized in the seinen magazine Dengeki Maoh in November 2006. An anime adaptation directed by Katsumi Tokoro and produced by Toei Animation aired in Japan from October 5, 2006 to December 21, 2006.[The story takes place during a fictional future, in the year 3567. During this time, a supernatural barrier called the Olynssis barrier, which disrupts space and time, envelops all of Earth. The planet is also being overrun by organic machines called Gardeners, which seek to exterminate all humans in order to "save and preserve" the planet. Tokito Aizawa is part of a group of hunters who destroys Gardeners and sells the scraps. Although, after encountering a girl named Tea, who constantly calls him "Koichi", and her giant machine, Silver, his life becomes more complicated.An anime adaptation of the Gin'iro no Olynssis light novel began broadcast on the Japanese television network Asahi Broadcasting Corporation (ABC) on October 5, 2006. It is directed by Katsumi Tokoro and produced by Toei Animation. Other networks such as Tokyo MX TV and Chiba TV also aired the episodes at later dates. A total of twelve episodes aired, with the last airing on December 21, 2006.
The anime was compiled into six DVD volumes; the limited edition, director's cut editions of the volumes had consecutive monthly releases in 2007. A box set containing all the volumes was released on January 21, 2007.