The Ninth Prince's System

Xiao Zhan, the ninth prince of his royal house, is long considered a worthless disappointment by the court. When a mysterious Endless Heirs System awakens within him, it offers a bargain unlike any other: each marriage promises him tenfold talent, and each child brings a hundredfold gift. Suddenly the discarded prince holds the key to a future no one expected, though every rising gain stirs jealousy among those who once looked down on him.