I always thought that childhood sweethearts were love and the best companionship.
Unknowingly, he restrained his emotions, and became indifferent and indifferent towards things and people. Those fresh and ruffian qualities had nothing to do with him.
It turned out that it was just years of friendship and family affection. Otherwise, how could he wait quietly and always be indifferent to her. Even the best brother cannot acquiesce in his secret love for her and let love give him a chance.
When all the conspiracy was revealed and she knew she was in danger. Only then did he suddenly realize that he had already been attracted to her and was extremely nervous about her. He will destroy whoever dares to destroy her.