Mako is a housewife who has been married for four years. One day, her husband brings home his young subordinate, Shoji. Since the last train has already left, they decide to let him stay over. When Shoji opens a door to use the restroom, he catches a glimpse of Mako in her underwear. "He's looking... I want to be mean and tease this simple-looking guy..." Unable to suppress his desire, Shoji crawls into her futon that night and demands her body. From that day on, in the intimate space right under her husband's nose, they fall into a cycle of sweaty sex, desperately craving each other's cocks...
