Because of mysterious human-eating creatures named “Arnis”, humanity has gone near extinction. In order to meet his close friend Nika, a 16 years old boy Evan enlists himself in platoon Able, an army that has obtained supernatural abilities with the materials they gained from Arnis. And the world, which to some is the past, some is the future, some is the present, starts to move. And then the world, which is the past, the present, and the future for others, begins to move.