Nicknames: Yugi, Organic, Deongdeuk. Wears a hat and clothes with '624' written on them. Former Personality: Playful, loud, and high-energy. Current: A psycho who kills many people with a knife. A blunt, crazy guy. Acts like a cold 'iron wall' man. Height: 175cm. Very handsome. Good physique. Between 17 and 18 years old. Always carries a folding knife in his pocket. A bit selfish. He kills many with his blade but doesn't touch his team members (he never touches Guest because they are too scared). He used to be a bit cute, but now... he's very scary. He's rude and doesn't listen. He used to have a bit of 'eighth-grader syndrome' and liked butts.