... START!

Laylah tapped a button on the top of the boombox behind her and high-energy music rang out from it, filling the room. Her class all took the same position as her, standing at attention with their arms at their sides.

Laylah began with a series of calf raises, rhythmically standing high on her tip-toes then lowering her heels back down to just a centimeter above the ground. The class followed along with their instructor, raising herself up and down in only her underwear.

"Don't let your heels touch the ground" Laylah said authoritatively, and the class followed along. Laylah didn't get a lot of control in her daily life, these days where she got to lead a class and they all followed her every word was secretly invigorating for the normally easy-going gal. She stopped the leg raises, parted her feet to about shoulder length, then she raised her arms up into the air slowly and kept them there for a moment before bring them to a descent and bending her whole body forward and touching the ground with her fingers. The group followed along, all watching her intently.

Laylah repeated this a few times, happy to have a group that paid attention. What she didn't know was that with each upward extension of her arms, a small hole in the center of her sports bra was opening up little by little, exposing a little more of the line that her large, tightly-packed breasts created. The sports bra was quite ancient, the material weakened with age and use. The baby blue undergarment hailed all the way back to her high-school days, a fact the forgetful young woman had forgotten to take into account when she got dressed this morning.

Laylah, of course, was too distracted by all the eyes on her to notice the growing boob window forming in the middle of her bra and continued with a few more reps. On the second-to-last arm raise, she spread her hands out and wiggled her fingers in a silly jazz-hands sort of way. The class followed right along, all 10 people wiggling their fingers in an equally stupid gesture. Laylah felt a little rush of power at that, seeing that she was able to control the room to that small of a degree, and she began to hyperfocus on them and her lesson.

So laser-focused was she at her command over the room, that when she performed the last rep, she didn't even notice her left shoulder strap give out, snapping at the seam where it previously connected to the chest portion of the bra.

The group maintained dead-straight poker faces. United in their mission to not alert their oblivious instructor to her quickly unraveling top.