"I want my daughter, Shunsai, to teach me how to study." Sayuri was asked by his older brother Ichiro to become a tutor. In such a situation, there was a man who felt up to himself. That is Shunsai's older brother, Shinya. Five years ago, Sinya, who had also been a tutor to Sayuri, was still unforgettable of Sayuri's intellectual side. One day, I was exposed to my aunt's affection. And Sayuri took an unexpected action against Sinya.