I Conquered the Multiverse with my Secondary Jobs

Year 5200:

Three hundred years after the third world war, earth underwent a tremendous change. Earthquake came every passing second, the sea's surged, floods and drought happened on every continent. The land rose and the sea's and oceans expanded so far as the eyes can see. Just like the great cleansing from the bible, the world is starting a new civilization.

Scientists from all over the world kept studying about the phenomenon that occured, but until the present day, three thousand years after, there was no conclusion on what actually happened.

Due to an unknown factor the world grew hundred thousand times it's size, new species of animals and wildlife emerged...

Scientists discovered that due to the overwhelming nuclear radiation of the previous war and the new form of energy that is abundant in the world... in which they labelled as... "magic", many species of plants, microbes and animals underwent mutation hence the appearance of these new species of mythical, fictional and imaginary creatures that were once only found on story books and novels.

The past world powers were destroyed after the war, and it is estimated that only threeforths of the total world population survived.

Then another catasprophic incident happened, the new form of energy released by the earth, cleansed the remaining population and after a year, only one forth of the remaining population remained.

The remaining people were stronger smarter and atuned to using magic, in this new world, knowledge and technologies that were preserved is further enhanced, and magic became the new talk of the world... thus came into a new era of growth, evolution, magic and technology.

Humans who is on top of the food chain suddenly struggles to survive in this new world. However, due to their overwhelming resillience and great reproductivity, the humans came to have a solid foothold in this new era.

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