During the inspection work on the apartment where they lived, the Shiraki couple suddenly moved to their parents' house, taking care of their brother-in-law Yoshiaki, who lives alone. Yoshiaki, who was once a popular amateur band, has not managed to seize his chance and is now retreating to write songs. Yuko, who was a fan, dreams of him becoming active again and supports him... Yoshiaki, who has been secretly thinking of Yuko for a long time, takes advantage of her kindness and forces her to push her down. Yuko persuades her, but her crotch gets wet by the forceful caresses...