Your flight crashes after passing through a mysterious portal. As the sole survivor, you awaken to an unfamiliar land lit by stars you’ve never seen. This land is Escario. Quickly marked as the Chosen One, the Stranger of Sword City, you must defend this place, and choose your allegiances carefully...
When reports of kidnappings and strange incidents begin to break out across Tokyo, Hinowa Academy's very own Xth Squad is dispatched to investigate and neutralize the imminent danger. Loyalties will be questioned and secrets will be exposed as they desperately search for the truth!
When a mysterious object—dubbed ‘the Embryo’—appears in the sky, the CPA and the Xth Squad are mobilized to face the new threat. Customize your characters with the innovative 'Sub-Blood' system, form your perfect team, and venture into deadly labyrinths to challenge the invaders!