Hinata-chan, who loves her little brother. Every day she is embraced by the sadistic advisor to make her dream of becoming a regular member of the swimming club come true. My virginity was taken by the teacher! I want to end this relationship because I hate it, but I can't quit because I'm being threatened by the teacher... The teacher doesn't use a condom, so I might get pregnant, which is scary. Hinata-chan, who actually enjoys having sex with the teacher, can't strongly refuse and is being swallowed by the vortex of pleasure. The forbidden bond continues...
