Hell Teacher Nube OVA

1998–1999★ 6.1· Animation

Nube fights a demon who resides inside walls, confronts a young spirit who wants her harmonica back, and in the end he must battle a powerful demon named Zekki - brother of Baki, demon that resides within Nueno.

Cast: Toshiyuki Morikawa, Chieko Honda, Michiko Neya

Director: Yukio Kaizawa, Tetsuharu Nakamura, Tooru Yamada