Rahne watched, though it was obvious enough that it was the wolf keeping an eye on Anakin. Human-Rahne would have been too embarrassed at this point to look on purpose. There may have still been a flicker of that embarrassment, if Anakin looked far enough back.
Once Anakin finished, the wolf stood up. He sniffed hesitantly at Anakin's hand before licking it a few times. The girl was his. She was as much part of Rahne's territory as this room.