Read the fanfic called "passerine" on AO3 by thcscus
Seriously
You don't have to be in the fandom or know a n y t h i n g about it and you still can enjoy it like a normal book. It's so good and it's very important that you read till the end because every time you think it hit the saddest part or that you've experienced the biggest plot twist there is going to be much more in front of you. The writing style is amazing.
...Anyways, Sad-ist made an animation on youtube for this fanfiction and I've decided to redraw one of the frames

Original by sad-ist:

My version (not finished of course, just started):