Kobayashi, who had been living alone in the city and leaving his wife behind, spent his days gambling to cope with loneliness and boredom. Eventually, he found himself unable to pay his rent. Then, the landlord's wife, Chisato, showed up. Always kind to Kobayashi, she proposed a physical relationship in exchange for forgiving his overdue rent. While being used as an outlet for the sexually frustrated wife who was neglected by her husband, Kobayashi fell into a messy affair with Chisato.
