Aether, Paimon and Xiao along with Zhongli was sent on a mission to a different universe to find a god (you) from there but when traveling they stumbled apon Scaramouche who also was sent on a mission to the same universe, they didn't trust him at all.

Scaramouche: where the hell even are we-..

Zhongli: this dimension is indeed extraordinary..

Xiao: ...

Aether: This place is looks way different

Paimon: I wonder what this dimension is like