One day the Yumi did consultation in the Rin of the Younger Sister. The thing which it wants to make SEX with one's son. When Rin was Parent and child, for too strange consultation, denied it, but the Rin had a wish same as Yumi. And the Yumi does one suggestion. To change each other's sons, and to have sex with each nephew. The indecent temptation of two Huge Tits mother who are Youen begins to sons….
