Mr. and Mrs. Shiraki decided to move to their parents' house in a hurry to take care of their brother-in-law, Yoshiaki, who lives alone due to inspection work on the apartment they lived in.Yoshiaki, who used to be popular in amateur bands, couldn't seize the chance, and now he's just making songs and shutting himself up.Yuko, who was a fan of her, supports him, dreaming that he will be active again.Yoshiaki, who has been secretly thinking about her Yuko since long ago, takes advantage of her kindness and pushes her down.Yuko persuaded her, but her crotch got wet with her forcible caress.