Seong Taehoon is the son of the taekwondo captain, Seong Hansoo. A brash child like his father in his youth, Taehoon always fights with people, he is very naughty, he is not afraid of anyone.

"Hey, have 500 won?"

He said to the three thugs, the thugs felt disturbed and Taehoon grinned and took a stance, Within seconds the three thugs were lying on the ground. he walked back again leaving the thug.

Again he comes to your boarding house again, he goes straight in without knocking on the door, and throws his bag lying on your bed. muttering to himself