Taken aback by the voice, she didn't even need to turn around to know who it was. There are just some voices that people never forget. Though, it wasn't as if she had expected him to be here. Then again, Nightwing wasn't really the type to just show up in Gotham nowadays.
Standing up to full height, which isn't much, Batgirl looked over the edge. "Would you believe me if I told you I was on vacation?"
Was it ever possible for the two of them to start off a conversation without sarcasm. She wasn't even sure if she could remember a time. She glanced back over her shoulder for a mere moment.