Mesu Kyoushi: Injoku no Kyoushitsu
Japanese title: 牝教師 淫辱の教室
Alternative titles: Mesu Kyoshi Injoku no Kyoshitu
Type: OVA
Source: Visual novel
Episodes: 3
Status: Finished Airing
Aired: Jun 25, 2009 to May 21, 2010
Duration: 27 min per ep
Rating: Rx - Hentai
Studios: Anime Antenna Iinkai
Producers: Milky Animation Label, MS Pictures
Licensors: Kitty Media
Genres: Hentai

Based on the adult game by Bishop.

Toudou Miyuki and Sanada Eiji are teachers in the same school and lovers. They had decided that they would preserve their chastity until they are married. However, Miyuki is assaulted and loses her virginity to Takuya, Eiji's step-brother. Furthermore, it doesn't stop there as Takuya turns his attention on the other female teachers one after the other.

(Source: hanime)