Shino is a schoolgirl living a boring life in a rural town. She uses her days off to visit Hirai, a man she met on social media who lives in Tokyo. Hirai publicly calls himself a businessman who runs several companies, but in reality he is a senior member of a yakuza organization, and he has invited Shino to his place in order to lure her into the underground sex industry and have her appear in obscene videos. Shino falls for his trick and is sent to hell. A sexual drama unfolds day after day, night after night! He keeps ejaculating into her vagina without any contraception, and before long, Shino's belly is full...