Distractions (Sokka x Zuko) [COMPLETED]

To gain intel on the Fire Nation, Sokka joins the army. However, after "defeating a monster" all on his own (Appa), he's given the opportunity to become a palace guard. And though it's risky, he jumps at the opportunity. But he doesn't expect Zuko to be there, and he also doesn't expect him to not recognize him and he...