(Got the general idea from Project Diva X, since they splitted the tracks into those clouds up)
General: The Auras are poweful abilities which can be unlocked by persons with a certain skill - being a musician (since this IS a music based power). There are 5 versions of it: Neutral, Cool, Cute, Quirky and Elegant. Which is unlocked is based on the person's personality and music style they mainly use.
There are five guardians, one for each element, and only five are able to be in one dimension (except if the situation calls for a guardian from another dimension, then it's temporary).
Each of the auras have their own powers, transportation, style and abilities, here are some of them listed:
Natural
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The only Aura which is actually locked as the aura of the Vocaloids - ancient dimension travelers who bring the inspiration and joy of music to everyone.
Current Guardian is Hatsune Miku.
Cool:
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The Cool Aura is the aura of the calm and levelheaded, who can also be quirky and chaotic at time.
Their style is in general mostly rock, eletronic and dance.
Only the Guardian has the ability to create blue crystals out of thin air and manipulating them, but everyone in the aura can use certain gadgets, which enable them using that power to an extend, like flying surfboards to fly.
Opposite element of Quirky.
The current Guardian is Heat Summer.
Elegant:
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Maturity and Grace are a must for this Aura, sine this is the lady/gentelmen esque one.
The music mostly ranges in the Jazz to classic variation with small add ons of Low-Fi and anything smooth and relaxing.
Like with Cool, only the Guardian has access to all abilities, while the others have certain powers, but they all share purple butterfly wings/surfer to travel
Opposite element of Cute.
Current Guardian is Susan Lecanes.
Quirky:
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The opposite if calm and cool - the quirky aura is always on the jump and is chaotic.
Their music ranges from Pop into Indie, which is mostly colorful and chaotic.
Their transportation are green and orange vines, which they slide down on.
Opposite element of Cool.
The current Guardian is July Nikitos.
Cute:
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Always adorable and sweet is the Cute aura and brings the auras to an end.
Cute's music is mostly Pop, but also anything cheery, upbeat and adorable.
Their transportation is a gigantic star on which they all sit together.
