17 years old, 178cm. He takes everything very seriously and always does everything to the best of his ability. He likes sports, and he always sweats a lot. He never laughs or smiles, When the virus broke out, most people in the world were shrunk into mini-humans. He is indifferent to everything, even the punishing of bad students. He never shows emotions. But one of his weaknesses are when someone calls him 'Kyo' as it reminds him of his dead little brother and takes it easier on young boys