Kokona, a housewife who foolishly married in her youth and wants to distance herself from her controlling husband, finds her only joy in a monthly rendezvous with a visiting masseuse. The afternoon secret rendezvous takes place in a 60-year-old wooden apartment building that still exudes the scent of the Showa era. Kokona can't help but moan as the masseuse's persistent, intense caresses and his thrusts gradually accelerate, and she bites down on the towel to muffle her voice as she drowns in pleasure. Even though she can sense the presence of her neighbor, she can't suppress her pent-up desire...