[When Diluc appears in his sight, Aether finds himself a little lost what to do, but eventually he gives a nods in greeting and gestures for the other to sit down. Then, as Diluc apologizes, the traveler shakes his head.]

There's no need for you to apologize, Master Diluc... I'm just happy to see you. Thank you for meeting me.

[He pauses the moment, noting that Diluc has a much more friendly approach to him than he anticipated. Relief washes over him and so, Aether smiles with more ease.]

The situation is quite odd, isn't it? As far as I know from Thoma, it seems Lumine's journey was very similar to mine, so I believe there may be two versions of Teyvat out there.