Shunbatsu
Diving into a world where there are infinite different timelines and worlds, there has to be someone to run it all, right? Well, this is probably what happens when you put that concept into fruition. Being God is a harder job than expected.
God is a creature by the name of Omega-Alpha, someone with absolute power over every timeline, every universe, every planet, and every corner. She is constantly overworked, so much so that she even has dozens of coworkers to help who are just as overworked as she is, and you (the reader) are given a spectator's view of what goes on with pulling the strings.