The year was 6494 of the EDEN calendar, and the life of every human now looked like this: a baby was born, they are placed in a capsule by a robot, and then they must live out their entire life in a virtual world of Pandora’s creation. And that was it... Xebec was incredibly unlucky and now he must live out his life as a monster, and what's more, as a monster he can't have a class either!