Sephiroth cracked open an eye to see who had addressed him. Since the Angel standing before him had used such an informal tone, he could only assume that she must be the princess. That, and, there was a royal guard standing not too far off.
"Your Highness." Sephiroth replied with more formality than she had used. He made sure that his tone wasn't overly friendly, but also not hostile. More like, wary.
"Was there something you wished to speak to me about?"