[Reducing Mosaic]MSFH-032 A female teacher, Hirose Riona, was imprisoned in the gym storage room throughout the summer vacation and continuously gang-raped by her students.

On the day before summer vacation, on the way home after school, I suddenly heard male and female voices coming from the gym storage room. Inside, the beautiful teacher Rio was engrossed in an affair. Rio, who had been blackmailed, was attacked by a student and imprisoned in the gym storage room. No one will come to save her during summer vacation at the school building. Rio is passed around like a toy among many students. 11 days until the new semester…