the beautiful niece of my family, yukiko kashihara.

(I had no idea that my daughter and wife would break up because of me... Early or several years before my husband. ) Yukiko lived happily with her daughter and wife. but that happiness will be broken by Yukiko herself .... One day, I was lucky enough to see my daughter-in-law in a row. On that day, family gears begin to get mad. Shu, who became aware of Yukiko as a woman, reminded her of Yukiko's masturbation and felt greedy. Yukiko, who was directed at an uncontrollable sexual impulse...