Everyone said that he had been keeping a low profile for many years, just to turn around once, and he was really good at planning. But only he knows that everything he does is just for the one person in his heart.
She asks for the truth, and he helps her; she wants revenge, and he accompanies her.
He had always thought that he could just stay by her side silently, but when he saw her smiling at others without any scruples, he had to admit that he really couldn't give her up to others.
He thought, if he couldn't do it, then he wouldn't do it. He wanted her to be his only.