yanks her pink top over her head!

(chapter originally by ? at writing.com)

As Isabel is busy looking down, Stephanie creeps behind her and grabs the sides of her pink tank top. Before Isabel could react, her shirt was pulled up, yanking her arms upward, exposing Isabel's white bra to everyone. With the shirt over her face, she couldn't see Heather reaching over and pressing a few buttons on Isabel's treadmill, causing it to go faster.

Kelly: Whoa you'd better speed up, Isabel! You wouldn't want to fall down like that!

Isabel groaned as Stephanie finally yanked the shirt completely off, and used her arms to cover her bra. Stephanie waved the shirt in the air like a trophy as the three girls laughed at Isabel's exposure.

Kelly: What are you trying to hide, Isabel? women run around in their sports bras all the time! perhaps you're more modest than I thought!

Heather: Maybe we should remedy that!

Kelly: What do you propose?

Heather looks at Isabel with a big grin that makes the girl a bit uneasy. Isabel is already running much faster than she'd anticipated, and running out of energy fast. as Heather gets closer, she...