A shameful lecture by a busty, naked teacher with G-cup breasts, on the awakening of her lewdness. (Nagisa Koizumi, MIDA-149)

Narusawa sets his sights on the new teacher, Koizumi Nagisa, and frames her for a missing exam paper. Caught red-handed, Koizumi Nagisa is forced to become an experiential human model during a physical education class, participating in a "naked obedience lesson." The responsible Koizumi Nagisa and Narusawa, who is exploiting her, are forced into a state of shameful nudity and orgasm under abnormal circumstances, and are repeatedly penetrated by unprotected penises, ultimately leading to the awakening of a depraved teacher…