Shion's mother remarried Ginji, a wealthy company president. To celebrate Shion's college acceptance, the family travels to a hot spring resort. Her stepfather peeps at Shion in the bath and engages in drunken sexual harassment at the feast. Eventually, he assaults Shion behind her mother's back... 'As a father, I must also teach you how to suck a penis.' Repeated submission to her stepfather's demands for intercourse. If I endure sex, I can stay in a happy family with my mother... S1 Forbidden Immoral Drama, a new series on incest!