It was serialized in Kodansha's Comic BomBom magazine from 2006 to 2007 and published in a single volume.

Written and illustrated by Takashi Imashiro, the series began serialization in Kodansha's Comic BomBom magazine in 2006.

[3] A sequel manga by Imashiro began serialization on Kodansha's Comic Days website on July 14, 2024.

It is produced by Shin-Ei Animation and Miyu Productions, with Yōko Kuno and Nobuhiro Yamashita directing, Shinji Imaoka writing the scripts, Yōko Kuno designing the characters, and Keiichi Suzuki composing the music.

The film's theme song is "Matatabi" performed by Chiaki Satō.