Just a stand-in.
Everyone in the wealthy family is waiting for the day when I see the reality clearly - crying, making trouble, asking for status, and being kicked out.
I prefer not.
He gives me the card and I swipe it. He gives me a room and I live in it. He gives me resources and I climb up.
Until one day, the superior Mr. Fu asked me with red eyes: "Do you have a heart?"
I smiled: "Young Master Fu, I'm just a substitute. You don't take it seriously, do you?"
Oh, by the way, I forgot to tell him - the trump card I hold in my hand is enough to overthrow the entire Fu family.