I woke up in the world of the System, locked in some kind of cage. All I remember is my name. But the System took it too, giving in return only a nickname and a scroll with a unique class. Now I am a Duplicate. I can copy other people's looks and skills. It is enough to try not to die in this System World, full of heroes, magic and monsters, and find a way to go back... But first, perhaps, I will deal with the stinking rotting flesh of a zombie that is staring at me through the rusty bars of the lattice...