Yin is Aang's twin sister, and was in the iceberg with him. She wasn't mentioned because she's the Half Avatar, meaning she can only bend the sub elements: Nature, Combustion, Sound, Chi, and Lava. But like Aang she is not a master, but she can bend Air that being her birth element. She grieves the lose of her people...
Ava is a normal teenager. One morning when her mom is listening to her favorite song right after a snowstorm, her life flips upsidedown. Suddenly she is in the Avatar the Last Airbender world where she must change the fate of the world.
Having discovered her worst nightmare had come true, Aya is still traveling with her older brother and sister and the Avatar. Aya finally got her wish and discovered her bending ability but it's the one elemental she despises the most; Fire. Aya is beyond terrified and confused about her bending ability and how she go...