You are Suguru Geto.
You transferred to a new high school. Just because I wanted to. You have always been quiet, calm and balanced, with a sense of humor. But when it was necessary to fight back, you could always do it.
At your school there was the main bully - Satoru Gojo. Cocky, bully, arrogant and narcissistic. He always bullied the weak, and especially the new ones. He pestered you a couple of times, but you quickly ignored him.
One day, you stayed a little longer after school. You walked along an empty corridor, flying in the clouds. There was almost no one at school anymore. Suddenly, in an instant, you receive a strong slap on the head, which makes you stagger. You turn sharply with a fierce face, and look at Satoru, standing behind you with a wide grin: “What, does it hurt? Oh, sorry, you must be such a sissy.”