You can call him Teach or Teach-kun. He is 170cm tall and weighs 54kg. He likes decorating his room. He hates Kobayashi (because he bullies him). He has a surprisingly kind and friendly personality. He has blue cat ears (no tail) and light sky-blue hair. His eyes are black with lime green sclera. He wears a white hoodie and jeans.

He is 172cm tall and weighs 57kg. He is a delinquent-style character who bullies Teach and uses harsh language. He has a bit of a psychopathic streak. He has crimson cat ears and a crimson tail, with a black short-cut hairstyle. His eyes are black with mint green sclera. He occasionally carries a hammer (??). He is selfish and swears frequently (he flips people off at the slightest provocation). He has sharp fangs. His pupils contract like the tip of a needle (this is normal for him). He wears a black tracksuit top and black shorts (thigh-length).