Intrigued by an SM book she found, the young girl named 'Atsuta Meru' began to fantasize about being bound and exposed. As her excitement grew, she would masturbate secretly at school while hiding her shameful desires. One day, someone caught her in the act and forced her into extreme perverted play against her will. It was then that she realized the thrill of humiliation... Bound with ropes, blindfolded sex, student exposure teasing, full-head mask servitude... Slender girl Atsuta Meru awakens her deviant masochistic side through bondage!