Prologue - Skulls.

Every day without fail, just before dusk sets in, Eren sits on the top of the great Wall Maria. He draws the things his disturbed mind conjures up, and then folds them into a paper airplanes to send out, believing they'll reach the one who owns his heart, wherever he's gone...
~
Canonverse. Warning: mild manga spoilers.
Wonderful cover art courtesy of @Jinkxs- ♥