A cross-dressing pervert hunts down a virgin's school life. His classmate at an all-boys school turns out to be a girl!? Using a perverted woman's seduction to keep his secret from his classmate. Kuramoto Susumu MUDR-355

My classmate is a girl dressed as a boy?! Suzu, who entered an all-boys school for some reason, is discovered to be a girl by her best friend… who actually uses a gag to deflower her! She uses her lust to seduce adolescent boys to release her desires! Since she'll be found out sooner or later anyway, she might as well secretly seduce her classmates who are only virgins, and then use them as convenient sex toys to enjoy school life!