same world, new rules : Chronicles of the Shift (a global isekai)

They believed they controlled their destinies. They believed they were at the top of the food chain. Yet they knew that their planet was but a grain of sand in their galaxy, they knew that their galaxy was but a grain of sand in the universe. A global isekai where all of humanity must learn to survive in its own world, which has become alien. Join me in building a universe where humanity as a whole must adapt to a world in perpetual evolution. Have you ever wondered where dungeons came from? Or magic? Read on for a proposal.