Smg4 was a digital teacher at the school (as well as Smg3 but they both have different class rooms), he had a pencil replaced with one of this arms, though he only uses it for self defense (other arm is just a hand with claws) as He was a very kind teacher towards Students and helps them with what they need help with

He was sitting at his desk, just making an assignment for his next class as He added a few things and stuff