[He doesn't respond to the defensive comment. Naoya is lucky that Kid doesn't have Liz and Patty with him, or he'd see just how defensive he can really get. Instead, he'll settle for walking away with Rei, just barely looking back.
There are things he wants to ask her about; who is this Tieria guy, and why there was any reason for him to be mentioned, but none of this is voiced. He doesn't want to get her mad at him, though, so he'll just keep this to himself for now.]