As the president of the largest entertainment company in the country, he is the only one who has deep affection for his sister. Perhaps after seeing the worldly intrigues, she wanted to protect her innocence even more.
Unexpectedly, a mistake caused her to be involved in this war without gunpowder. When he saw that the sister who had been around him since childhood no longer needed him and loved another person wholeheartedly, he realized that that kind of relationship was no longer family affection. He couldn't lie to himself.