Swapping of Young Wife Mika Ozawa, Senaryo

Mika and her husband Toshi, who moved next to the living room of their older sister, Ryo-marie. One day, after seeing Ryo bring a man in, Mika consults Yuichiro, Ryo's husband. However, even when he heard the story, Mika was held by Yuichiro, who was flattered, and became jealous. After that, the relationship with Yuichiro was coolly known because of his modest attitude, and when he was seduced by Shunshun as much as retaliation, the sister couple began to exchange their opponents for each other.