AI Kawana, a female school student, is confined and trained for bondage. The throat, the chest, and the pussy are blamed while being bound and cannot move. Sometimes, the toy is left as it is left, and it withstands the trouble that doesn't know when it ends. However, she also wakes up to unknown pleasure at the same time, and accepts the male cock of the man who is not inserted next. Ayane Kawana, the restraint of the impact bondage!