Prism Queen (Pretty Rhythm fanfic)

It is destined that a girl with beautiful scarlet hair, and crimson red eyes, named Harune Aira will soon take the place of becoming the new Prism Queen, but what if the system goes wrong, summoning the past and future prism queens of the Rhythm kingdom?
Now, each of the prism queens compete for the prism queen tiara, and restore peace to this messed up world.

Who'll become the new prism queen?