Group Favorite: the Cannon Fodder Female Supporter Just Wants to Win

Su Guantong worked hard all his life and was reincarnated into the Duke's Mansion with his memories, becoming a young lady from an ancient aristocratic family. The father dotes on the mother, and there are two sisters who control the brothers. In this life, they just want to win. I was raising a beautiful and eye-catching "childhood sweetheart", but unfortunately my last wish was ruined by the strange His Majesty the Grandson...