Blood Equilibrium

In this world, everything depends on status and the color in which your wings will be painted when you take on a dragon form. For every girl of noble birth, the spring festival - the Equilibrium of Brides - is... the main event, as it is when the first transformation will occur. Celestia is going to the festival with her sister, but why is the girl so afraid of the most important event of her life? What is so important hidden in Celestia that the hunting season is opened on her, and the main hunters turned out to be mermaids from the underwater kingdom? Or have the Morvians gained strength and power to fulfill the prophecy and resurrect the old gods? Or is the king, the most powerful being on the planet, not as good and kind as they say? Or is it about the marshal, with whom Celestia is so close…