Leonard Muller, a teenager as common as any other, sees his world turned upside down when on any day, he wakes up in the marvel universe, in the body of a young man who had the same name as him.
But to improve his situation, he has Aegida, a system that promises to help him grow and evolve for his own mysterious reasons.
Now, having only himself as an ally and seeking to survive above all, Leonard must make his way in a chaotic world where his life could end with the snap of fingers of some random entity.
Well, it's just the life of a normal young man in a non-normal world.