That's very sensible of you. [Smiling a little, although it doesn't reach her eyes - Naoya is a teacher here, and of some rather heavy subjects. While this child may seem intelligent for his age, that's a heavy load for him to have taken on. This is all very strange...]
You can call me Moji, Naoya. I'm just about there. Are you hungry or anything? I could explain over a meal, if you want.