Shino-sensei no Yuuwaku Jugyou
English title: Professor Shino's Classes in Seduction
Japanese title: 詩乃先生の誘惑授業
Alternative titles: Shino-sensei no Yuwaku Jugyo, Shino Sensei no Yuwaku Jyugyou
Type: OVA
Source: Visual novel
Episodes: 1
Status: Finished Airing
Aired: Nov 12, 2004
Duration: 29 min
Rating: Rx - Hentai
Studios: Front Line
Licensors: Critical Mass Video
Genres: Hentai

Based on a game by Xuse.

Sakurai Sino was a chemistry teacher who had recently transferred to Shirakumo Academy. She was a beautiful woman who looked good in glasses, and she was the envy of all the people in the school. One day, Iijima Sayaka, a female student, confessed that she was worrying about sex. Then Shino gave her a “lesson”. 

That night, Shino got excited and began to play with herself. Suddenly, Kayama, a male student, broke into the room and raped her. She was thoroughly battered. However, she went to school next morning as if nothing had happened. Kayama called her to rape her again. What waiting for her was… 

(Source: AnimeNfo)