When Penny and Jane are sent to the Detention Room by their school instructor they meet Mr. Elliott who tells them that their former behavior will not be tolerated any longer. He explains that they must undergo special Detention Room tests and if they fail to pass them they will be disciplined severely.

The girls soon learn that their skirts have four corners and that each can be completely pinned up if they fail to answer a question correctly. Soon, both girls skirts are completely pinned up, exposing their bottoms... and Jane's knickers are pinned to the blackboard as w... Show more