my mother who stole her son's virginity, yamashita.

The Yamashita family of judo (Japanese court nobles) families, which are indispensable for training every day. At first glance, the family seemed to be full of people, but Yoshi was working on funding for running a dojo under the condition that he had a relationship with his brother-in-law. One day, when he asks that he is not in the practice, Dotei's stigma reveals his feelings to his mother for the first time. It was good for a man to have a strong handwriting at the training hall because he wanted to be in front of him, but gradually began to love his son as a woman and had trouble with his brother-in-law.