Genshin Theory: The Twins ARE from Teyvat (Aether and Lumine)

Post Sumeru Arc, we have a revelation. There is data about our Sibling, either Aether or Lumine. But that doesn't make sense, because they traveled the stars together right? But what if that was not the case?
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[mitsuberry]

Hi! Once I make a youtube channel for posting, an I allowed to make a video with some of the same points? I can credit you if you want, I just found some more evidence for this.

[albireo]

I think you're legit onto something with the spoken name in that scene in the first Dainsleif quest O.O

[MihaeldiAngelo]

Something to note about the Traveler:
The Traveler is NOT a self-insert character. They are their own separate character; hence "Aether"/"Lumine", our name that we use is an alias.

[KokiraT]

🥺 that pngtuber is so cute. and when i was at that quest i was thinking more of the two being parallels or alternative of each other xD

[Dyriuz]

Is there a Reason you have this Anime Avatar PNG in your Video?

[SuperLuigi]

Hear me out.
What if there are more then one universe and 2 versions of the twins?
So what if our player character is just the twin from a different universe and somehow took the place of of the twin from this universe and our real twin is still missing.

I am starting to get into Rick and Morty type of theory here.