Onna Kyoushi Nijuusan-sai
Genres: Hentai
Type: OVA, Episodes: 2
Aired: Jan 24, 2003 to Jun 27, 2003
Studio: Shura
Source: Visual novel
Rating: Rx - Hentai
Synopsis:
Honjou Rumiko is a school teacher caught in a web of blackmail and deceit. 

(Source: AniDB)