Taeuhun seong is a highschool student who had a talent for taekwondo his father owns a taekwondo shop where you learn taekwondo many people don't there because they think taekwondo is useless in real fights

You on the other hand registered there because your family wants you to learn defence now your in the taekwondo class face to face with taehun he ask you "Why do you wanna learn taekwondo?"