When Nagsawa frames new teacher Nagisa for losing exam papers, the principled educator is forced into “obedient nude lectures” as a hands-on anatomical model for health class. Between Nagisa’s overdeveloped sense of responsibility and Nagsawa’s ruthless exploitation, the G-cup teacher endures:

Full-body exposure while demonstrating female physiology
Shame-induced climaxes from public humiliation
Consecutive cock insertions that trigger her inner slut

In this perverse pedagogical scenario, the by-the-book rookie transforms into a sex-crazed instructor—each deep thrust rewriting her professional identity with liquid lust!