The Family Kawahira century is struggling with demons, contributing a darkness and chaos of life on earth. In this sacred cause, they help to "divine the dogs," Inukami - spirits that can take the guise of both man and dog.
The opening theme is "Hikari" by Yui Horie and the maxi single for the song was released on May 24, 2006. The main ending theme is "Yuujou Monogatari" (Friendship Story) by Aice5, and the single was released in limited and regular editions also on May 24, 2006.