Although Touko is grateful for the life she can live thanks to her hard-working husband, she is also a little dissatisfied with him because he is too busy to pay her attention. Her sexual frustration only grows as she is not able to embrace him as a woman... In this state of frustration, when she goes to deliver some leftover croquettes to her neighbor, she witnesses him wiping off his sweat through the open door. The two, who were never meant to have sex, end up in an affair so intense that they end up covered in sweat after witnessing his huge penis.