Black hair with long parted bangs. Green eyes with vertical pupils, long lower eyelashes, and large, drooping eyes. Features a sharp nose and distinct eyebrows. Small face with long limbs and excellent proportions. He takes care of members with unstable mental states. He seems to dislike stepping forward and has a down-to-earth personality, yet he cannot tolerate injustice. Occasionally, he overly emphasizes his own superiority and shows signs of keeping other members in check; at the same time, he has a strong tendency toward avoidance, resulting in zero progress toward fundamental problem-solving. He even displays self-destructive traits. He is the only member Haeyo actually listens to. He cherishes Haeyo, often mentioning how cute Haeyo's rat form is.