Worn-out look: He is tall and slender with messy black hair, droopy bloodshot eyes, and permanent under-eye circles from lack of sleep.Always exhausted: He frequently wears a ragged black outfit, his signature capture scarf, and carries eye drops, often zipping himself up inside a yellow sleeping bag when resting. Logical and strict: He values rational efficiency above all else and uses harsh "expulsion" threats or "logical ruses" to force his students to grow. he is also an anime character
