Obviously this means I need to find some time to make one myself in case I ever need it again.

Excellent! :3 let the sads/angries (or sangries, if you will) begin

Hey, better he fakes teacher and makes sure this one random self-defence class doesn't crack each other's skulls than try to fit in with the student body and end up somehow starting a punch-up. I mean look at what happened last time Shun was in a cafeteria.