A bath peeping that is also a man's dream. Though I thought I shouldn't do this, it was customary for adolescent Koji to look into the naked mother-in-law, Hikari, who was taking a bath. Koji was looking into Hikari soaking in the bathtub as usual today. Then, Hikari began to dig around her crotch without knowing that she was lonely because her father was not on a business trip. Koji, excited by the foolery of his mother-in-law who sees it for the first time, inadvertently makes a noise. Hikari is in a rage when she finds out that she has been peeped. However, Koji was already unable to suppress this unevenness ...