In a world where dungeons and magical beasts reign supreme, society has adapted to the perils and wonders of the wild. Kingdoms and tribes vie for power and resources, while adventurers seek fame and fortune within the treacherous depths of the dungeons.

Amidst this chaotic backdrop, a boy named Kayne embarks on an extraordinary journey along with his elder sister Alice to become the strongest in the world by bonding with every Elemental spirit.