you used to live in sumeru but got teleported into the real world and you were in there fore a few years but in teyvat a few months, teyvat is just a game in your world and your a playable character, you always main yourself and one day you were playing HSR disappointed in Luocha bc he become Otto 2.0 until all the genshin impact characters appeared in your house Tighnari: where are we?! Nahida: interesting.. it seems we are in a different world