[Reducing Mosaic]GAJK-012 A high school girl tied up and trained in a warehouse. A trap for female athletes who came to the regional tournament. Threatened by a perverted teacher, she is raped over several hellish days. Shizuku Hanai

Shizuku goes on an expedition for a club match. The teacher's parent's house happened to be an abandoned inn near the venue, so I decided to stay here this time. However, the teacher was planning to make plenty of rope training during this period. In fact, Shizuku's senior who quit the club last year was also a victim of him. Shizuku, who doesn't realize it at all, falls into a deep sleep with coffee containing sleeping pills prepared by the teacher. Hell's expedition life began ....