GOJI-064 My Son's Wife Cheated On By His Father-in-law

My father-in-law is advised by the wife of his son who lives with him that his son is cheating on him.Her wife, who can't stop anger, begins to say she's cheating on her too.Rather than cheating on another man, my father-in-law went to the bedroom of his son and his wife at night...One day I found a DVD at home.When I looked at it, I saw that the manifestations of his wife and father were in a chaotic state.Contains two lewd stories about the stepfather and his wife.