Your typical popular high school boy and his secrets

That one story when Seonghwa is trying to escape his nightmare, he moves to a new school in Busan. He has no idea that some things will follow him till the day he changes himself, but one boy will mess up his whole life.
Choi San, the owner of the school, the most popular boy in school, the one that everyone likes and loves will meet eyes with him and will ask for his name.
But that wouldn't mean that his worst times were over. Maybe they had just began...