"...I...didn't know you preferred it?" Yeah, he is kind of embarrassed looking right now. "....Your last name is easier not to butcher."

Katsuya clears his throat louder than he needs to and straightens. "Yes well. I did promise you a story. If you'd like, I wouldn't mind giving you a bit of a tour and an explanation if you'd be interested. Maybe next time you're free?" No he..he really doesn't know what that sounds like. It's just more practical to speak about it in his world away from prying ears of magi and people he doesn't trust.