The Zombie Boy, DEKIRU!!!

Izuku Midoriya had enough of life, he was maltreated for something he can't control. So, he gave in... Mikumo Akatani is the emotionless BFF of Shinso and Toga, their trio abused, bullied, swept away because of their statuses. Dekiru is a mischievous and crafty vigilante that watches over UA's Staff and Students, having saved them from different occasions.