Eriko living with two sons is Mature Woman of the good looks which handsome features and everybody envy on a body excellent at a style. It was Tsuyoshi of the son that is important to have sexual feelings for such a mother. One day Tsuyoshi touches the buttocks of Eriko, and caress it on greed. Eriko whom buttocks are played with and have felt to be extends to the sexual act with Tsuyoshi though I am surprised at the eccentric conduct of the son.