Kokoro and Ken are childhood friends. In front of her parents, she is embarrassed and pretends that they don't like each other at all, but she actually loves each other. One day, the two parents decide to go on a trip for a neighborhood association. Kokoro and Ken, who have to stay at home, start looking for each other when her parents go on a trip and they are alone. The feelings and sex that were bottled up in front of her parents