2 That Used To Be 1 - [AU] [Cheater! Cop! Levi X Killer! Insane! Reader]

I love attack on Titan, and, of course Levi is my #1 favorite character in the anime and I've been wanting to make this short story for a LONG time and I was finally like 'FUCK IT IM PUBLISHING IT' and I'm hoping you guys will love it. Bye my Fairies