How to Avoid Becoming a Vicious Step Mother

The child that my friend gave birth to was the main character of a fantasy novel that I read in my previous life. Not long after his birth, this poor child grew up with an indifferent father and suffered from ab*se at the hands of his stepmother. He left home only to proudly return when he became an adult and convict the wicked stepmother. “He’s such a pretty child, and I feel sorry for him. If it weren’t for Amanda.” [What?] My foot steps while holding the child stopped. [Amanda… Amanda…] Amanda, that was the main character’s mother’s childhood friend, a native of a Korean-American family. That was my name. “I’ll be the Duchess for Marilyn, at least for her sake.” And, maybe, she can be a step mother who doesn’t pick on this child? How to not be the evil stepmother, Amanda, ab*se this child even if she dies. Can Amanda be a good stepmother? Can the Duke, a cold northern man who blows a cold wind, and Amanda be good parents?