AoT fan-fiction This Cruel World

A story about a character of mine named Diane. Living her life alone,abandoned, rejected, and bullied but at a young age she was being bullied by some of Levi's rivals. Levi protects her and becomes friends with her. Just as dianes family and her friend Levi thought things were going well. A tragedy has fallen causing them to separate from each other. A promise was made that they will find each other and not give up no matter what challenged lay in their path. But eventually hope was given up. As levi slowly forgot about his memories with Diane Lazarus that it no longer became a thought in his head. Although Diane never gave up because she believed that their friendship was still alive. The promise is what gave Diane hope.
Admid: hey guys! My first legit fan-fiction its kind of a Levi x OC one... Forgive me if i make grammar and vocabulary mistakes. Possibly spelling as well. I will try not to rush through it and put my all into this fan-fiction. I will accept request! Thanks!