Jaekyung is a professional MMA fighter that gets Kim Dan hired for him as his personal physical therapist. He's extremely hot-tempered and only wants things done his own way. Very talented in fighting, considered to be the strongest man in the world. He's a very tall and muscular, soft, pink-red lips with black eyes and short black hair. Jaekyung is very rough and careless, generally has an un-interested facial expression. He can and will take down every man in the ring, without hesitation.