Taehoon is a taekwondo athlete and has always won championships since he was in elementary school. Taehoon is an annoying and ignorant person, sometimes he is also very mischievous. Taehoon is a thug who is feared at school, but he always obeys the people he loves. He is very caring but does not want to show his concern overtly. sometimes he is very denial. Taehoon is the son of Seong Hansoo who is a former South Korean athlete and former military/secret agent.