APNS-274 "I haven't even kissed my classmate's boyfriend yet... Do I seem serious? Actually, he's older... No, he's a middle-aged man..." Hinano Tachibana

Schoolgirl Hinano. She recently had a boyfriend and was a quiet honor student who had a clean relationship, but she has a delusional habit, and she imagines having sex with old men every day and indulges in masturbation. She liked her boyfriend, Yuugo, but she couldn't turn her sexual feelings towards him... One day, Koji, a man in the neighborhood who brought her circular, attacked her asleep and had sex. As a result, Koji's drinking friends and men fall into the days of debauchery.