For Humanity (AOT x OC)

Humanity... Believed to be almost wiped out by the titan menace... Forced to live behind the walls of fortified cities to escape the titans... What will happen when these walls are breached and the titan Menace roams free, eating and killing what's left of humanity... Will humanity fight back and end this war once and for all... or will they all die...? Only one man... One man will be able to stop this once and for all.... And get back someone... He lost a long time ago...