Millenniums after the earth succumbed to the darkness, being engulfed by strange and heinous monsters, humanity is still using what resources they have left to fight against the terrifying creatures. Among them, a hunter fights and travels across far land to become a true Apex Hunter. With him, his younger brother. The two have nothing but each left after a monster invades their home town and slaughters the rest of their bloodline. With a twisted sense of justice his journey begins.