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.Zero Sum Game - Sex Crime is a full high quality DVD version of the movie that you can watch and streamed from streamin.to video hosting websites. The year of it's release is not known but will be updated soon and categorised as anime, hentai movie.