JUR-112 After 5 months of marriage, I impregnated my wife's sister before my wife... Rio Asahi

I will be staying at my wife's parents' house for a week. My sister-in-law Rio, who I met for the first time in a while, was always defenseless at home, and I was having a hard time looking at her. The relationship between her and Rio suddenly changed the day Rio went out drinking with a friend. I decided to take Rio to rest at a business hotel, but when I saw Rio's sexy appearance, I couldn't control my rationality...