Rebirth Mad Queen: Demon King, stand aside

In the previous life, Wan Jian pierced her heart and died. In this life, she vowed to wash the enemy's family with blood, but what happened to the extra demon king?A demon king: "Girl, sign a contract with me to keep you safe and successful." Shi Nian: "..." Master-servant contract? ? !A certain demon king: "Don't worry, I'm not interested in children like you." Shi Nian: "..." What does it mean that you keep hugging her and saying you like her?A demon king: "...