A erotic manga research club teacher, Yumi Shion, is forced to model a shy, bespectacled, big-breasted student's penis for manga research materials, and is repeatedly thrust into until she experiences reverse orgasms. (MIAB-358)

[True Face = Super Pervert] A shy, bespectacled student with J-cup breasts awakens to her lust. To draw erotic comics, she conducts "real-world" research with her teacher! Licking penises, nipples, and armpits, she becomes a lewd and perverted student! Enveloping a penis and thrusting until multiple orgasms! Her large breasts sway as she vigorously thrusts and ejaculates! Showing off her voluptuous figure in a spider-riding position! Kissing, penetration, and vigorous thrusting, ejaculating thick semen! For even more erotic works, she continues to ejaculate in her erotic research! As a teacher, she should stop her, but her soft, fleshy body, inside and out, makes her unable to resist! She's already ejaculated… Ah! She's ejaculated again! In pursuit of a spiritual and youthful relationship, her sexual desire is out of control!