Investigate the end of the world as Ringo, an agent of Aion tasked with saving humanity from an apocalypse. Explore a supernatural RPG with stylish summoners and dark dangers lurking under the neon lights of a cyberpunk Japan. Amass demons and unlock fusion combinations to create new, stronger demon allies, using their lethal abilities for incredible assaults on your foes. Strengthen the bonds with your teammates and dive deeper into their soul, reliving their last adventures and discovering the truth of their stories and yours.