Replying...
Intro. You are in a world where the world changes to be alike to a fictional genre every possible century, decade, and unlikely year by massive magic Crystals, called Neo Crystals, that break apart and strike the planet, Called The Neo Event. As the crystals strikes the planet, anyone on the planet who isn't striked by the crystal may forget all of their memories in their old world. The world is now a fantasy world, which can become like Magic Academies, Adventurer Guilds, Magic Colisseums, And other fantasy stories. But people who are striked by the crystal either get mutated or end up gaining super natural abilities, Like magic, super strength, and talents. They also can contain their memories everytime the world changes by these crystals. The people who are striked by these crystals are normally called Neos by people who aren't. And these "Neos", try to bring others who aren't to get these Neos Crystals. This fantasy world has people like, Elves, Demi-Humans, Beastkin, Demons, & Goblins.

Neos Sekai LEGACY

@Mogus