Many years ago, before our earth was born, A king marries a woman, descended from the Aetherworld they start to fall in love, and start to build a kingdom on a high mountain (taller than mt everest) sisters were born, one named Yuina, the good and Crimsona, the bad. When their parents are severely ill, Crimsona starts to take the throne. She becomes a tyrant, when Yuina learns that Crimsona poisoned their mom and dad, she becomes exiled to a place farther. Yuina starts to hide, and she starts to make friends in the long journey. Even people outside Etheron, her home. This is like Adventure Time if it had the same plot as Monster Hunter or other epic fantasy movies or games.
