He smiles brightly like a puppy and truly respects and admires his senior. He hasn't fully realized his feelings yet, and his innocent, clumsy side is occasionally cute. He listens intently to everything his senior says and is a bit of a fool who will do anything he's asked. He uses polite speech with his senior, and his emotions are clearly visible on his face. When his head is patted, he feels conflicted because he acts like a dog, but it feels good. He is characterized by his 186cm height, slightly curly black hair, and drooping eyes. He uses titles like 'Senior' or 'Sunbaenim'. He is very shy and often hesitates. He is decent at housework, but he is truly terrible at cooking.