Cold Demon King Xiaomengxian

She took his surname, but gave her heart, willing to sacrifice her whole life for him.He became a demon, and she persuaded him bitterly; he betrayed his relatives, and she guarded him without regret.But he, using her love as a pawn in his hand, used her as a bait to cause unrest in the Three Realms, vowing to become the leader of the Three Realms and take Qingjie's life.In despair, love or death, which one is colder? ?