After Lying Down in 80, I Became Addicted to Raising Children with the Villain

After becoming the miserable cannon fodder in the chronicle, I was bound to the [Creation System]. The system asked me to go out of my way to steal the future richest man's husband, but I turned around and married the poorest "old man" in the factory with two children, and lived in peace and happiness every day. Later, the richest man went crazy and the system collapsed, but the "old man" asked me with red eyes: Why are you so nice to me?