Help her get settled...?

You walk back towards where your sister is standing, and she's currently trying to get some response from Celina. Celina appears to be checking out your apartment, and she doesn't seem to be thoroughly impressed. As you walk over to the table, your sister motions towards you and says "Celina, this is {firstname}. He is the one who owns this apartment."

"Hello," you say again, trying to actually get her to acknowledge you this time. She looks up at you for a couple seconds.

"Pleased to meet you." she says in a quiet breathy voice, and then returns to looking around the room.

"Uh, Celina...", your sister begins, "...this is where you'll be staying for a little while."

You're not sure, but you think you see Celina shudder. Maybe it was just your imagination.

Your sister looks at you. She says...