"Sensei, you're not the kind of person who would do something like this..." Yui Amane reunites with her former teacher, who once helped her financially through school via paid dating. After being drugged with sleeping pills, she's lured to a hotel where she's forcibly embraced and her entire body is violated. Shocked and speechless, Yui can't believe the respected teacher she once admired has transformed so drastically. With no escape, she endures relentless torment until morning, eventually begging, "I love your cock, Sensei! Fill me up inside!" The image of her revered teacher has completely twisted, and Yui falls helplessly into his grasp...