Taking place in the past it offers a view at the Saiyuuki quartet before their formation and their journey to the west. First OVA starts with Sanzo and his master, also with Ukoku (known as a later Ni Jianyi). Second OVA shows first meeting of Goku and Sanzo. Third OVA considers the events after Hakkai's sins and his trial (that we know from first season of "Saiyuuki") and his decision to live in Gojyo's house.

An OVA adaptation of the climactic part of Saiyuuki Gaiden.

Based on chapters 11-13 of the original manga with additional content written by the manga author. The story will be told from Tenpou's point of view.

Based on a story from the After School Series line of light novels. Kenichi Akizuki and Misako Watanabe work together to solve the mysterious disappearance of their classmate Ryouko Miyazaki. The only clue left by the kidnapper is signed Koushin Okazaki, her late classmate who'd committed suicide to preserve his youth and become like Peter Pan.