When people want to teach classes. We don't have actual instructors here like in primary school at home--people just volunteer to teach whatever they already know.

[He frowns a bit.]

I don't really remember much either. Well, that isn't to say I don't remember the overall idea of what was happening...just the specifics.

[ooc: I know it's the art style but Luke looks way younger than Conan to me X_x;; Every time I look at the icons that thought crosses my mind. ]