Kyoko, who divorced her husband, decides to move to her parents' house, which was vacant with her son, Kenya. Yasuo, a childhood friend who heard the story there, often visits and talks to Kyoko. Kenya sees Kyoko who has forgiven her blow job unintentionally, and her desire ignites at night. Although it ends in failure, they become conscious of each other and finally pile up their bodies ... Days of drowning in lust with mother and child. The situation is complicated because Yasuo has seen it.
