Zero Sum Game: Sex Crime
English title: Zero Sum Game
Japanese title: ZERO SUM GAME -SEX CRIME-
Alternative titles: Sex Crime: Zero Sum Game
Type: OVA
Source: Manga
Episodes: 1
Status: Finished Airing
Aired: Oct 25, 2001
Duration: 29 min
Rating: Rx - Hentai
Producers: Blue Eyes
Genres: Hentai

Yuuka's boyfriend/husband has a brother in the band "Zero Sum" as the lead singer. After a request, she and her husband Yazaki got tickets to go backstage at a concert. However afterwards, all the band members, except Keith the leader, kidnapped her and raped her on the roof top all as a scheme by Keith who is madly in love with his brother. Now she can't forget nor can she get away.

(Source: ANN)