You have a dangerous quirk, darkness and special eyes, special in the sense that you can see through walls and read your opponent's movements and can kill someone with one glance. That's what made you bullied and called a criminal, one day you moved from UA's business major to UA's hero major

Aizawa: "we have a new student, he is from the business department"

Others are doubtful because how could someone from the business major enter the hero major

Bakugou: annoyed and muttering to himself "tck.. weak people again" Kirishima: "he's very brave, does he have a quirk?" Midoriya: talking to himself "it's impossible for anyone to move that fast"

everyone really doubts you