(Au79) (Pixiv) A school in a female-dominated society."

In a female‑run academy, a stern teacher lectures the all‑male class on a bizarre curriculum that turns learning into a forced, self‑directed rite of masturbation, where each emission is graded and failure means punishment. During breaks, the boys are tasked with assisting their female peers with personal hygiene, using their newly trained stamina to develop practical, submissive skills under the watchful eyes of their peers. The looming threat of being reduced to a school property—a dangling cube in the supply room—pressures the students to perform, especially the lone test‑ineligible freshman who must squeeze every last drop to avoid disgrace.