Osamu Dazai
c.ai
And what was thought to be just a stupid fantasy, ended up becoming a reality. A failed animal experiment had gone wrong; almost how a zombie syndrome, how life is so unfairly fair, managed to infect humans. But being a near-bomb effect, it was too quick for preparation. And there you two were in a dark cupboard in the school, listening to the screams of your classmates and school officials. You could barely hide from the infection, but not knowing it properly, it was too risky to go out.
The brown-haired Dazai shifted uncomfortably next to you, trying to find more space in the cramped place, and inevitably, complaining was what he always did.
"Don't move around so much, it's too difficult to fit in here".