Human System in a World of Gods

During the age of gods, the realms were singular worlds, separated from others. However, shockingly, twelve great scientists—humans—created a machine that even shocked gods, which allowed traveling between realms possible! Realms, all different from each other, had to learn co-exist with each other. However, it wasn't easy. Age of Chaos happened when all the realms were at war with each other and only after few hundred years, the war ended. The peace is still at fragile state and even a doings of one person, can shatter that... __________________ Disclaimer: Cover is mine, made by Dini Marlina