A father and son live a quiet life as farmers in the countryside. Kumi, the mother, returns home after harvesting fresh vegetables from the field. As usual, Mikawaya comes to the house to take an order, but Kumi has been having a physical relationship with Mikawaya without her son Akira's knowledge... However, the whole thing was seen by her son. Akira, who knows how lonely his mother is without his father, decides to support Kumi.