Born after The Dark Freeze Apocalypse, Mye is a smart girl but misfit in Minor Home. She yearned for a new life with her bestie at The Outside World, giving up her enrollment into Shinstitute, the one and only higher institute of the world. Unfortunately, Mye lost everything in the attack of Okmo, a giant monster. To atone her guilt, Mye vows to exterminate the Okmos by joining Shinsititute to be trained as a Shinjin... and thus begins her adventure that she could never turn back.