Hell Teacher Nube OVA (1998)

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 .

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.