Mako, a Japanese teacher who was serious, cheerful, and popular with her students, was engaged to be married to her fiancé, a fellow teacher. One day, some students who were jealous of the teacher's marriage hatched a terrible plan. It was a tragic plan to rape the teacher, cum inside her, and impregnate her. Mako was threatened with secretly taken photos, and from that day on, she was raped again and again by the students, and each time she was cummed inside. Despite her reason, her body craved it and she accepted the semen into her pussy...