The stepmother turns her stepson into a sex slave and exercises her abnormal sexual dominance in their daily lives. Her lewd appearance and forceful control leave a deep impression on her son's mind, eliciting a sensitive reaction from him instead. The perverted torture she inflicts crushes her son's rationality, constantly dragging him into a whirlpool of pleasure. Every time, he can't help but cum repeatedly. The pleasure and pain brought by the stepmother's dominance shake the son's heart.