Struggling to cover herself

Sandry desperately tried to hide herself with her hands, her palms racing across her barely-covered breasts, her embarrassing belly, her large naked rear end. She looked around, wondering what she could do now.

SNAP!

For such a small sound, it caused Sandry a lot of alarm, as she felt the fastening of her skirt break apart and the grey material start to slip down.

"No!" Sandry grabbed at it, inadvertently sticking out her large naked rear as she bent for it. The students behind her burst out laughing as Sandry pulled the material back up, trying and failing to wrap it back around her waist.

"I've got to go!" Sandry exclaimed, "I've really got to... Where can I go?"