Hell Teacher Nube OVA (1998)

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.

• First Air Date: 1998-06-12
• Last Air Date: 1999-05-15
• Total Seasons: 1
• Total Episodes: 3
• Directors: Yukio Kaizawa, Tetsuharu Nakamura, Tooru Yamada.