One day, I witnessed my son's wife Rio cheating on him. She had been married to my son for three years, but her devoted housework showed signs of flaws, and she often came home late. Thinking of my son's sake, I confronted Rio, but she brazenly denied cheating. Rage welled up inside me, and when I found evidence of her infidelity on Rio's smartphone, I found myself excited by my son's wife, something I had never paid much attention to before. So I decided to train this cheating wife and reform her into a submissive, domestic wife...