My wife was 8 months pregnant and having trouble moving, so my sister-in-law came to our house to take care of her. I thought I could live a comfortable life because she would take care of my wife and do the housework, but I was seduced by my drunken sister-in-law and crossed the line. While feeling guilty... I couldn't resist my sister-in-law's further seduction and ended up having an affair with creampie! As long as there's time until delivery, I'll continue to desire my sister-in-law... and then...