This is from our lovely Asuna's perspective of the world the game, and maybe I might put Kirito in there too?

An AU where Kaori's surgery becomes a success and she lives. - Maybe she didn't have to go. Maybe the ending they deserved did happen. And although the letter Kousei was meant to have read once she was gone was private, he still found his way to read it even after her life was saved. (Kousei x Kaori) - (Cover image is not mine, I'm not able to find the original artist so if you know them please let me know)