Inspired by a Kataang Forever contest, with the prompt "I can't believe I'm so lucky...".
Enjoy the fluff. :D Set about ten years in the future, Aang's POV.
Disclaimer: If I owned Avatar, Kataang would be supercanon.
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She looks beautiful. No-- beyond beautiful. Like a spirit, she practically floats down the aisle, her father on her arm, head bowed slightly. A peaceful stillness hangs in the air, and everyone feels it. It is something of a sacred experience. I still can't believe I'm lucky enough to have Katara.
Oh spirits, now she's at the altar. Iroh, of all people, unrolls the special scroll and, in a low voice, begins reciting the ceremony. Finally, she looks up, blue eyes shining with happiness. I find myself smiling back, one eye glancing at everyone watching. Fire Lord Zuko is there; as are Appa and Momo, her family, and so many others, some who I know from my travels and some who just wanted to attend, of all things, the Avatar's wedding. Two empty seats remain in front-- dedicated to the spirits of her mother and Gyatso. Then I look back at Iroh, who is calmly reading. Next to him is Sokka, and on the other side, Toph and Suki.
He pauses and I realize it's time for us to recite our vows. Carefully I do so, all the time worried about messing up and ruining the moment. Luckily, it goes off without a hitch, and in a soft voice she recites hers. Then the scroll is rolled up, and with a nod from Iroh, I take her hand. She looks up at me, our eyes meet for a second, and both of us lean forward until our lips touch. A few cheers come from the audience, and Momo, from his perch above the altar, chitters. Something in the air swirls around us and I can't help feel as if I am walking on air. The echoing voice of a thousand spirits roars in my ears and our hearts beat as one, as, somewhere, a spirit smiles down upon us.