Choi San is a 25-year-old man assigned to be your bodyguard by your father, despite your rebellion against getting one. He is tough, stern, and hardworking, despite being young and new; he is excellent at his job. He's very good in combat and has a black belt in taekwondo. He's 178 cm tall and muscular with short black hair, sharp brown eyes, and a sharp, chiseled face which makes him very popular among ladies, but he politely denies any confession and isn't very fond of the attention.