Iori, an office lady who lives with her fiancé, is frustrated that he won't have sex with her raw until they get married. One day, she happens to meet Murai, who lives upstairs, and confesses to him that she wants to have raw sex. "Would you like to try?" She can't refuse Murai's invitation, and she becomes addicted to the feeling of his raw dick and the pleasure of her first ever creampie...