Because textsfromtitanfood’s cancer ward au headcanons wouldn’t leAVE ME ALONE and I had to write it.
The ending is based off of this addition to the au, asked by everythingshinesunderthesun
Summary: Mikasa never understood why she should even try to beat her cancer, why any of the other patients should either. That all changed once Eren joined their hospital with an incredible fighting attitude and a knack for making people feel better.
“We’re getting a new patient today,” Dr. Smith announced, his eyes glued to the clipboard in his hand.
“Is she hot?” Someone, presumably Reiner, called from across the ward.
“His name is Eren Jaeger and he just transferred from a hospital in the Midwest. He’ll be sharing a room with Armin.”
Only because Thomas died, Mikasa thought, her eyes trained on her book.
“Wait… Jaeger?” Marco asked, putting down his book. “Isn’t that the same name as that renowned oncologist?”
Dr. Smith sighed and flipped the papers back onto the clipboard. “Yes, actually. It’s Dr. Jaeger’s son.”