Kawashima, a man with a low self-esteem, is suddenly visited by his beautiful wife, Yuka, who lives next door. Kawashima, however, just the thought of being in the same room with Yuka, whom he had been attracted to for some time, made him unable to suppress the ulterior motive he had been hiding for so long. Then he follows Yuka to the bathroom and sneaks a peek into the changing room...