Shiori, a female teacher tasked with leading the school trip, was troubled by the misconduct of the chairman's son, Okumura, at their destination. The reason she couldn't stand up to him was because of her own affair with the chairman... That night, she was suddenly attacked by Okumura in the bathroom! Moreover, he mercilessly violated her asshole, which had already been trained by the chairman. But it didn't end there; Shiori was taken to the students' room where she experienced further tragedy.
