Among the flickering neon lights, technological advancement-driven commercial conveniences are engulfing people. It looks like a war between Yatagarasu and the Society of Wraiths – infernal summoners who wield the otherworldly powers of "demons". Existing in a mysterious sea of human data, the digital collective mind has transformed into a living being: Aion. Observing humanity from afar, Aion concludes from calculations that the world will be destroyed as a result of the inevitable catastrophe. So he creates two agents to prevent the cataclysm: Ringo and Figue.Together, the Aion agents must investigate the butterfly effect, which heralds the end of the world, and prevent it from happening. Features: Explore the phenomenon of the end of the world as Ringo, an Aion agent who must save humanity from the apocalypse. Explore a supernatural RPG world filled with summoners and dangers lurking in the neon lights of cyberpunk Japan. Collect demons and unlock combos to create new, stronger demonic allies and use their deadly abilities against your enemies. Strengthen your bonds with your team members and delve into their souls as you relive their recent adventures and uncover the truth about them – and your history.