A period of time travel from the perspective of the protagonist.
There are multiple metaverse perspectives, and there are different parallel worlds in each universe. The protagonists have different identities, races, and genders in different parallel worlds.
Different parallel worlds also have different existences. There are magical elements, modern elements, and many, many different worlds from ancient times. The protagonist lives a different life in different parallel worlds. The protagonist from the elf perspective is the main perspective. Various stories unfold from this perspective.
Intention: Be happy for yourself, everything will be fine