She's so sorry for accidentally appearing in front of him like that she just wanted him to know about the prank one of his students was going to pull? Please don't be afraid she comes in peach!

Yay. I'm so excited for this. Fingers crossed because all the ghost guardian shenanigans are the best. Appearing to meet him to discuss her grades or her projects or something class. Maybe that can be how they meet even? Whatever floats your boat. \ o /