Trying to go unseen

Sandry stepped nervously into the corridor, aware that her unfortunately large rear end was completely uncovered by her failing clothes. The twin mounds of pale pink flesh jiggled slightly as the nervous teenager wondered how she was going to get through this.

She spotted, lying on the floor, a discarded textbook, which she quickly bent down and grabbed. Sandry held the book against her backside and walked quickly down the corridor, hoping to avoid notice. Keeping her hands to her rear like this unfortunately put a lot of strain on her blouse, the gaps between the buttons gaped and made it clear to anyone who looked that she had no bra underneath the thin white cotton. Suddenly she heard someone call out,

"Hey, has anyone seen my textbook?"