The shooting is clearly amateur, the lady doesn't want to advertise herself and is wearing huge glasses all the time. Is she skinny? I would rather say she is athletic with a very nice figure. It's a pity they fuck in such unsanitary conditions. If they would have taken a hotel room, they could have made a more interesting video.
That's the kind of profession a guy gets. Not only is the teaching profession in the West valued by its salary, but young female students don't mind riding your dick just so you can give them a better grade. Lucky him this time, two charming blondes, mmm...