Haru, who had been a model student since childhood, had the peculiar habit of walking around school and the streets without underwear. She would go to her middle-aged neighbor Kita's house and engage in public exposure and masturbation without getting caught. Her actions were seen by Kita's younger brother, Ipppei, who threatened to tell their parents, forcing Haru to obey him. Haru was gang-raped by Ipppei and Kita, her innocent body taught to experience pleasure. Eventually, Haru grew into a genuine pervert. She begged for internal ejaculation, clinging to the penis…Haru continued to seek more intense pleasure…
