Shokuzai no Kyoushitsu
English title: Classroom of Atonement
Japanese title: 贖罪の教室
Type: OVA
Source: Visual novel
Episodes: 2
Status: Finished Airing
Aired: Jan 11, 2002 to Apr 5, 2003
Duration: 29 min per ep
Rating: Rx - Hentai
Studios: Y.O.U.C
Producers: Digital Works
Licensors: Critical Mass Video
Genres: Hentai

Nanase's father has just been arrested for murder. While his guilt remains in question, a perverted gang of Nanase's classmates have already passed judgment, and are punishing her for her father's crimes. To atone for his sins, she must obey their every sexual command to satisfy their twisted desires. At school, in her room, and even on a crowded train. No matter where they are, Nanase must pleasure them in any way possible. But not all of Nanase's classmates can be so easily satiated. Someone's publishing very detailed articles about her nightly lustful escapades in a special Atonement Newspaper! Spread across campus, this public humiliation might just be worse than her nightly tortures!

(Source: Atasteanime)