Datenraku打天楽; 打天楽　－ワン・ゼロ番外編－; Datenraku: One Zero Bangaihen; Datenraku - One Zero Extra Story -

Volume containing a side story to Sato's *One Zero*, *Datenraku*, and three other short stories: *Moon Child*, *Daenkidou Rhapsody*, and *Tenshi no Mayu*.