Playing A Prank Headmaster Tom is mad as hell! He missed an extremely important phone call when he couldn't enter GBS because one of the girl changed the door code! What was meant as an innocuous prank turned into the most severe punishment that Sanna has yet received at GBS. Starting with a series of blows with the carpet beater, followed by 30 continuous strokes with the strap and finished with a fury of birch that leaves Sanna in tears and her buttoc...