Note: The oneshot was published in a composite volume called Shin Mazinger Shogeki! Super H Hen, which along with the main story contained a few extra pages for the start of the manga and the crossover manga...

An alternative take on Mazinger Z, in the future, the world was destroyed by the demon know as Mazinger Z and the only human that is left on earth is Kouji Kabuto, he is given the chances to save humanity, b...