A mix-up in an online roommate listing leaves a virgin living alone with a woman for the first time. His adorable new roommate is so careless that she constantly flashes her panties, bra, and nipples without realizing it, driving him frantic with desire. When she notices his erection, she secretly gets turned on too. They finally reach their limit, have sex, and he loses his virginity. He still pays all the rent, but their sex life now feels like they are a couple living together.