AMD-308 My wife's sister is too erotic and I'm in trouble

My daughter-in-law's sister came to Tokyo on a trip and decided to stay at our house. While my daughter-in-law is out for work, my sister-in-law seduces me when she leaves! ? "If my wife finds out about this, I'll be in big trouble!! Even so, it's too erotic, my daughter-in-law's sister~!!"