You Favor Your Stepson, Then Beg Me to Forgive You After I Cut Ties?

Any Stories Where the Protagonist Becomes Calm After Their Parents Show Extreme Favoritism, Only to Be Scolded for Being Ungrateful?

Books Where the Whole Family Regrets Cutting Ties With the Protagonist

Looking for books similar to After I Was Reborn and Gave Up, My Family Went Crazy! (My Jealous Wife). In my past life, my whole family doted on the fake. Why do you all regret it now that I’ve been reborn?

Any Stories About the Fake and Real Young Masters? The Real One Cuts Off His Family and Lives His Best Life Alone

Looking for a male lead who has given up on his family and cuts ties with them completely. He wants nothing to do with them ever again, and whatever they do for the fake young master is none of his business. He'll shine in his own field. They didn't treat him right, so he's done playing along. He wants nothing to do with any of them.