Christa X Male Reader: Modern AU

Y/n was a boy who his family had been killed by some kidnappers, however during the kidnapping Y/n was saved by the wings of freedom police force and he was alone, he was forced to survive without food, water and shelter, however he was saved by a cute and beautiful blonde girl named Christa, then she decides to adopt Y/n as her family member, this time it was still Y/n L/n as he is now Christa's adopted brother

But instead Y/n and Christa noticed a little bit of overtime between them, but a boy named Eren got her first, they were become a couple but when Eren started to date with Mikasa, Christa was heartbroken and now they both got in an argument

But now its time for Y/n to win her heart