Get the Sign-In System at the Beginning

(This is a cool novel. It's as fun as you want. Don't refer to reality. It's a parallel world. It has a single heroine, a single heroine, a single heroine. Important things should be said three times.) After signing in at the beginning, you will get a financial street with a rent of 20 billion a year. Have I reached the pinnacle of my life? Ding, you signed in successfully and became the fiancé of Tianlong Group's daughter. "What? Can you also sign in the wife of the richest man?"