[ Well, she doesn't really care. Sollux is acting like Sollux, and that's really all she needs to give him a smile.

Aradia follows his gaze over to gastly, and seems to remember something important. ] Oh! Right.

Indy, this is Sollux; Sollux, this is Indy! He is a pokebeast species known as Gastly! I don't think I'm familiar with your pokemon, though. Do you know which they are?

[ She's sort of just assuming he's a newcomer who came to stay, yes. ]