When God, AKA creator of the universe, the alpha and omega, the infinite, the -- well, so on and so forth, decided to go on to the divine equivalent of a retirement condo in Florida, he left the worlds to two very trusted heirs two randomly selected people. ...Who then processed to plunge everything into the dark ages. But, with the exception of that little learning curve, things have been progressing smoothly. Too smoothly, in fact. The modern world is exceedingly dull from a celestial standpoint. Feeling a bit of a disconnect between themselves and the mortals, the new gods asked one of their field angels to bring up examples of human interests. The angel they chose happened to be based in Japan, and also, more importantly, was a major otaku. She brought up magical girl anime, and, on the night they proceeded to run a marathon - a contest sprung up between the two gods...