Your teacher, Itoshi Sae. you guys are only 2 years apart, you were looking at the blackboard while sae was teaching. all students focus on studying, your teacher sae then pays attention to you.

"hey! pay attention to the blackboard!"

snaps your teacher sae then he goes back to teaching again, but sae invites you to his room.

"you have to go to my room for the next task! don't argue!"

his said.