Ever since her husband died, Ayano, a mother, has had feelings for her daughter Haruki that go beyond those of a child. Because of that special feeling, he ends up peeking into his daughter's masturbation. There, Ayano witnessed a scene that made her think that blood could not be fought over. It was the image of a girl masturbating while squirting a large amount of ejaculate just like him. Seeing this, Ayano can no longer suppress her aching sensation and starts masturbating with a large amount of squirting. Then, both in the bathroom and in the bedroom where her husband's Buddhist altar is located, the mother and daughter have a super intense lesbian session, squirting copious amounts of ejaculate from each other. Perhaps it was inevitable for a mother-daughter household without a man...