They were life-and-death rivals, and they only discovered it when they finally became friends... And the 'deception' made her heartache...
He thought he was a heartless person who could take away everything, but in the end he discovered that his heart had already been stolen by a little girl...
He loves her, but he doesn't even have the courage to save her. What qualifications does he have to talk about love? However, in the end... I can save you and die... He smiled with a penitent smile, but she cried...