When Yuko finished shopping and returned home, she heard a cheerful voice from her daughter Ami. Yuko realized that her boyfriend, Kazuya, must have come to play. He did not mean to speak loudly to them, but rather was jealous of them, and looked secretly at the two men's actions and became excited. Then, perhaps, he was witnessed by Kazuya in the sight of Yuko consoling herself. It was a glamourous incense and harmony, but while Ami was away, Wako came to visit ....