Eccentric science teacher Tachibana Daiki is obsessed with the humiliation of beautiful girls, using his childhood friend Hina as a long-term test subject. Bored with Hina's predictable reactions, Daiki sets his sights on the naive and self-righteous heiress, Mina, subjecting her to a series of degrading sexual "experiments" and public embarrassments. As Mina struggles against his control, a jealous Hina fears she is being replaced as Daiki's primary source of stimulus.
Daiki, an eccentric teacher obsessed with the humiliation of beautiful girls, sets his sights on the calculating honor student Mika Takamine. After forcing her to attend class in a cheerleading outfit without underwear, Daiki exploits her public embarrassment to break her composure. While he appears to rescue her from the prying eyes of her classmates, he instead subjects her to a private session of degradation, forcing the proud student to submit to his desires.