Train with Riley

You follow Riley to a semi-private training corner of the gym, tucked behind some equipment but still visible to a few other members scattered around the open floor. Your heart hammers as you walk, the tight micro shorts wedging the medium butt plug even deeper with each step, sending steady pulses of fullness through your rear. The compression sports bra squeezes your B-cups firmly, your nipples stiff and obvious against the thin fabric. Arousal: 32% ███░░░░░░░

Riley glances back at you with that sly smirk, her own pronounced cameltoe shifting visibly in her shorts as she moves. “Alright, cutie. We’re focusing on mobility and core today. Lots of stretching, some stability work. You look like you could use it.” Her voice is professional but laced with something playful. She hands you a large blue yoga ball. “Start by sitting on this and doing some pelvic tilts. Nice and slow.”

You straddle the ball carefully, the plug pressing insistently as your weight settles. The micro shorts ride up high on your hips immediately. Riley circles you, correcting your posture—hands light but firm on your lower back and shoulders. “Arch your back more… yes, like that. Feel the stretch in your core.”

The movements make the plug shift and grind pleasantly inside you. You bite your lip, trying to stay composed while she guides you through a series of seated marches and hip circles. Sweat begins to bead on your skin. Each rotation causes your ass to roll against the ball, the flared base of the plug rubbing against the inside of the shorts.

After a few minutes, Riley has you stand and transition to standing stretches. “Now, forward folds with the ball for support.” You bend at the waist, hands on the ball, legs straight. The tight shorts pull taut across your ass—then it happens. As you deepen the fold, the hem of the right leg catches on something (maybe the edge of the ball’s textured surface or a seam on the mat), yanking the micro shorts down sharply. They drop halfway across your buttocks in one smooth motion, fully exposing the upper curve of your ass, the deep cleft of your buttcrack, and the black flared base of the silicone plug nestled snugly between your cheeks.

Cool gym air kisses your newly exposed skin. You freeze for a split second, cheeks burning with humiliation… but you don’t reach back to fix it. The game’s influence, the growing heat between your thighs, and the strange thrill of exposure keep your hands planted on the ball. Riley doesn’t say a word about it. She simply steps closer, her voice calm and instructive. “Good depth. Now hold there and breathe into the stretch. Push your hips back slightly.”

You obey. The position leaves everything on full display: your smooth, rounded ass cheeks parted by the intrusive plug, the shiny black base winking in the fluorescent lights whenever your muscles flex. A couple of gym-goers in the distance seem to pause their workouts, but Riley acts oblivious, her hands pressing gently on your lower back to deepen the fold. “Feel that in your hamstrings? Perfect pliability building already.”

Arousal: 51% █████░░░░░

Next come wide-legged stretches and butterfly poses adapted with the ball. Riley has you sit on the floor with the ball between your knees, then guides you into deep side lunges and pigeon stretches. Each time you shift, the bunched shorts stay exactly where they are—halfway down your ass—while the plug stays prominently visible. In the pigeon pose, with one leg extended behind you and your chest lowered, the exposure is even more obscene. Your buttcrack is spread wide, the plug clearly stretching your tight ring.

Riley kneels beside you to adjust your hip alignment, her face only a foot or two from your exposed rear. You can feel her breath ghost across your skin. “Excellent flexibility for a beginner,” she murmurs, sounding almost impressed. “Hold for thirty seconds. Really open up that hip.” Her fingers press into your thigh, guiding you deeper. The plug shifts with the movement, sending a thick wave of anal pleasure through your core. A soft, involuntary whimper slips from your lips.

She doesn’t comment on the sound either. Instead, she keeps the flow going—standing hamstring stretches where you prop one leg on the ball, then cat-cow variations on all fours. On all fours, the shorts hang uselessly around your upper thighs, your entire ass and the plug on blatant display to anyone who glances over. Your tape-free pussy (you’d removed the old tape earlier) is starting to glisten, a thin trail of slickness visible along your inner thighs.

Arousal: 68% ██████▋░░░

Riley moves around to your front during the cat-cow, supposedly to watch your spine alignment, but her eyes flick downward more than once. “Beautiful form,” she praises, her own nipples still rock-hard against her polo. “You’re really getting into it. Let’s finish with some ball-assisted bridges.”

You lie on your back, feet on the ball, and thrust your hips upward. The motion makes your exposed ass lift high, the plug driving deeper with every rep. Your sports bra has ridden up slightly, underboob showing, while the shorts remain tangled around your legs. Riley stands between your spread knees, spotting you with hands on your hips. “Drive through your heels. Squeeze at the top—yes, just like that.”

Each bridge makes your body tremble. The plug massages your inner walls relentlessly. Sweat drips down your cleavage. By the final set, you’re panting openly, the game HUD flashing updates in your periphery.

Task Progress: Plugged Gym Personal Trainer Session – Almost Complete

Arousal: 79% ███████▉░░

Submission: 12% (+2%)

Riley finally steps back as you lower down after the last rep, still not acknowledging the state of your shorts. “Great session. You handled that intensity really well.” She gives you a lingering look, her smirk returning. “Can I ask you what are your fitness goals? To better tailor the next session?”