Five Months Into My New Marriage, I Impregnated My Wife's Sister Before My Wife... Rio Asahi

I ended up staying at my wife's family home for a week. My sister-in-law Rio, whom I hadn't seen in a while, was always defenseless around the house, and I didn't know where to look. My relationship with Rio changed suddenly from the day she went drinking with a friend. I decided to let a dead-drunk Rio rest at a business hotel, but seeing her seductive figure, I couldn't control my reason... After that, Rio and I, hiding from my wife, indulged in passionate creampie sex like lovers deeply in love...