The world has come to an end... everything is shrouded in ashes.Fortunately, however, Taro manages to escape into a shelter, where 10 women have already taken refuge, and Taro is welcomed in as the only male survivor.Then, some women lure Taro, who is the only one with male genitalia, and ask him to have sex with him.Taro's unparalleled behavior quickly spreads throughout the shelter, and his strong reproductive instincts are linked to the women.Taro has sex with women every day in search of offspring.The days of chained sex leading to the future of exploiting sperm in a dream communal life begin...
