A/N: I was watching "The Crossroads of Destiny" today, and when the part came where Aang and Iroh busted into the cave where Zuko and Katara were being held prisoner, I found myself wondering what was going through Aangs' head when he saw the two of them standing there. This is what I came up with.
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Aang could not believe his eyes. He felt like his world had just turned up side down. Zuko was standing much too close to Katara. His Katara.
Or was it Katara who was standing much too close to Zuko?
And why was her hand poised in the air like that? Like she was about to touch him- or worse, had already touched him?
He knew he was going to find them together, but not like his. He had expected them to be fighting each other, shouting at each other, or even just sitting on opposite sides of the cave ignoring each other. Anything but-
"Aang!" Katara cried out his name, and threw herself into his arms.
His world was right side up again with the girl in his arms. He threw a glare at Zuko over Katara's shoulder for good measure before hugging her back with all he was worth.
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A/N: The reason the summary says that this is one-sided Aang/Katara is because I believe Katara was happy to see Aang, not because of any romantic reason, but because he was there to save her.