She's obviously not there to study how to suck cock...she's already got that nailed down.
This being Japan, my money is on for fetish reasons.
So...no spin the bottle then?
I need to find a school where girls actually dress like that.
The closest I got to that was a handjob from the janitor behind the basketball court once. It's close because he also happened to be Japanese.
And in the mess hall, and in the toilets, and in the janitor's closet...and so on.