The Worst Prisoner: The illusion of separation (Book 2)

Four friends separately make their way to Ba Sing Se, learning wisdom along the way. Will our two lovers, forbidden from one another, find each other again? Will Aang find the courage to be the avatar the world needs? Will Sokka be condemned to more conversations about feelings? A shenanagin filled romp through the Earth Kingdom. Zutara yes, but this is primarily a friendship fic