In a world enclosed by a ring encompassing the globe, a nation practices the obscure custom of pursuing the shadow cast by this ring. Fueled by a mysterious drive, they traverse vast distances to reach the extremities of the northern and southern continents, all for the sake of their "shadow chasing" rituals. Though the motive behind this tradition remains shrouded in enigma, one fact is indisputable: the nation thrives, thanks in no small part to their exceptional understanding of the "Corona Solids". This exceptional material has empowered them to create numerous groundbreaking innovations, including the legendary "hakukai armour". Boasting unparalleled abilities, it allows its users to create weapons from the very same substance. However, their nation soon faces an inevitable reckoning.
