In Avalon, a realm torn by conflict, young Prince Koi-ichi, only nine years old, faces the devastating fallout of his kingdom's defeat. The empire, driven by a ruthless desire to eradicate all evolved elves, has overrun Koi-ichi's homeland, leaving destruction in its wake. Stripped of his home, family, and the life he once knew, the young prince now stands on the precipice of despair.