A couple of years when my husband made a lover and stopped staying at home. Yukari poured all his love into his son Shota. However, Shota was in trouble with such a related attitude. In fact, Shota had been forced to have her mother's night of frustration. One day, Shota reveals his secret to his best friend Yasuhira. Yasuhira also stated that he continued to have such a relationship with his real mother, Ayako. Then, Yasuhira asked Shota. let's exchange each other's mother and have fun.