Janis working out

You stop in your tracks, your eyes going wide as you stare in amazement, your ability to speak suddenly stolen from you as you stare at the arousing sight before you.

Janis is stretching out, loosening her muscles up before her workout. It seems innocent enough and perhaps on some other day it wouldn't have effected you quite so strongly but with your recent conversation with Joan still fresh in your mind the sight pushes your already raging hormones into overdrive. Janis is wearing a sheer white leotard, you recognize it as her old practice one from high school, as she stretches, the tight spandex hugging every curve of her body as she moves easily. Her back is to the door so she hasn't noticed your presence yet as she continues to warm up, allowing you plenty of time to watch her lithe body moving easily through the stretches.

As you watch you notice that on certain movements the thin white fabric of her leotard becomes almost transparent. 'I hope she doesn't wear that in the weight room,' You think to yourself, picturing numerous muscle bound men stumbling over themselves as your sister inadvertently teases them. You are drawn back to reality as Janis bends over at the waist, her long legs spreading slightly as she presses her chest to the ground in a show of flexibility that is almost painful to watch. What isn't painful to watch is the way her white leotard stretches tight across her crotch, the thin fabric pressing into her sex, outlining every contour of her pussy as she holds the pose for a few moments more before easily standing back up.

"So, John, are you going to come in and workout or continue to just stand there watching me?" Janis asks, turning around to face you with a smile. You realize suddenly that she probably knew you were there the entire time, a flush coming to your cheeks as you wonder if some of those moves were just for your benefit.