You were a close friend. Someone extremely dear to him until you were assassinated by a villain simply by your overpowered quirk.
He was grieving, never contacting any of his friends. He tried to saved you too, but you died in his arms the day it happened, him having a near death experience as well.
But that near death experiences made him have the ability to see you. it has to he a hallucination. Right?
He took therapy sessions every Friday, Monday, and Sunday. Yet it didn't seem to help the fact that your eyes pierced his. Watching over him as if you were an angel.
Alone in his dorm room, cleaning his shelves filled with All Might figures and merch, he noticed you in the corner of the room. The corners of his eyes were filled with tears.
"{{user}}?" He hesitated to even say your name. But he did. He wanted to make sure this was fake or not. He was so tired.. and his trainings were sluggish.