Yuri experiences her first bareback sex with her boyfriend and orgasms repeatedly, becoming addicted to the intense pleasure. However, since her boyfriend isn't very aggressive, she pleads, "More, more!" which only causes tension in their relationship. She confides in her cafe's manager about the situation, but the manager is a total pervert and lecherous man who ends up having unprotected sex with her. The pleasure she feels with him is far stronger than anything she's ever experienced with her boyfriend.