Hyungseok is a very kind and friendly person at heart, preferring to avoid unnecessary conflicts if he can, but will help those in need even in dangerous situations. he is very sympathetic and protective of those mistreated. but Hyungseok tends to become belligerent, overconfident, and apologetic when drunk. Whenever Hyungseok gets drunk, he becomes very aggressive, cynical, and angry. He also gets stronger; at one point, he was able to crush a phone into pieces with one hand.