Rin, a high school girl, is a pervert with a delusional habit, and she always masturbates while fantasizing about writing erotic novels in which her school teachers and cheeky classmates appear. Her delusions, which get her excited about being defiled and violated by a man she hates, gradually escalate, and before she knows it, the line between reality and reality becomes blurred. And then, 20 consecutive creampie gangbangs with all the characters appearing!!