Yoshino, who can't help but worry about Yumi, the wife next door who is wrapped in adult charm, secretly looks into Yumi's house. Then, what jumped into her eyes was Yumi who was doing housework in a very obscene appearance just wearing sexy lingerie. Yumi seduces a man while she comes to deliver her package as if to ridicule the astonished Yoshino. Yoshino catches a glimpse of Yumi's daring behavior and decides to ring the chime at Yumi's house.
