Miho and his wife have been taking care of their brother's children for several days. Yui was confused by her nephew who was absorbed in games and anime while she was a good year, but when the good care of her when she was a teacher began to appear, she actively gave skinships. Yui who uses her nephew's Ji-Po to release her sexual desire, partly because her sexual life with her husband is not satisfied. Then, the nephew who has awakened to sex pushes Ji Po into Yui every time and radiates desire.
