Ai Sayama, with her voluptuous H-cup body, descends into becoming a masochistic zombie in this story. The strict, justice-driven PTA president is blackmailed by delinquents after they discover her weakness, gradually turning her into their obedient plaything. Repeated creampie after creampie erodes her sanity, awakening her as a flesh slave. She endures three consecutive creampie sessions, along with forced blowjobs and titty fucks while being pinned down. After prolonged orgasm denial and teasing, she's tormented as a sex toy, climaxing repeatedly. Finally, two men relentlessly piston into her from behind, driving her to complete corruption. She confesses, "I am a depraved PTA president..."