Hinata who thinks of her younger brother. In order to fulfill her dream of becoming a regular member of her younger brother in the swimming club, she spends her days being embraced by her adviser, the devil teacher. My virginity was stolen by a teacher! I don't like it anymore and want to end this relationship, but the teacher threatens me and I can't quit... I'm afraid I might end up having a baby because the teacher won't let me wear a rubber band... Actually, I feel comfortable having sex with my teacher. Hinata-chan, who is not strongly refused, is swallowed by the whirlpool of pleasure. Her forbidden pact continues...
