After many years of being childhood friends, Machiko finally started dating Keisuke, a classmate who lives next door. However, before they could do the "deed", the two got into a minor spat. A foreigner, Daniel, who is staying with her, comes to her room and gives her a scented item that relaxes her, but it is an aphrodisiac with an aphrodisiac effect. Machiko is left in a daze, seizing the opportunity, Daniel takes her virginity and records the act. Machiko doesn't want Keisuke to know about it so Daniel comes up with an idea... he will force her to let him use her body for an entire week until he leaves...