First Warm-Up

Sienna Reese pushed through the heavy glass doors of the private gym at exactly midnight. The air inside smelled like rubber mats and iron, sharp and clean in a way that always got her blood moving. She had her duffel slung over one shoulder and her long dark hair pulled into a tight ponytail that swung with each step. Her tank top clung to her toned shoulders and her leggings hugged the powerful curve of her thighs and glutes. She was here for the scheduled session, nothing more. Professional. Focused. That was how she operated.

The facility was dimmer than usual, only a few overhead lights on over the weight room. She spotted Kyle Cridlin first, his massive frame unmistakable even from across the floor. The head trainer stood at six-four with a shaved head and shoulders that looked like they could bench a small car. He turned at the sound of her footsteps and gave her that slow, appraising nod she had grown used to during their earlier sessions.

“Right on time, Si,” Kyle said, his voice low and rough like gravel under boots. “Didn’t think you’d actually show for the late slot.”

Sienna dropped her bag and rolled her shoulders. “I said I wanted the endurance program. Midnight works for my schedule. Less crowds.” She kept her tone light, professional, the same way she spoke to clients on her fitness channel. “Who else is here?”

Kyle jerked his chin toward the bench area. Two other men were already there, loading plates onto a barbell. Taylor Brooks, the tattooed bodybuilder with the thick neck and easy grin, straightened up first. Jamal Hayes stood beside him, leaner but just as cut, dark skin gleaming under the lights as he wiped his hands on a towel.

“Taylor and Jamal,” Kyle said. “Elite clients. They’re down for the full warm-up circuit. Figured we’d start light.”

Sienna nodded at both men, offering a quick smile. “Good to meet you. Let’s get after it.” She meant it. Her competitive streak kicked in immediately. She wanted to prove she could hang with the big boys.

They started with mobility work, nothing sexual yet, just stretches and light sets. Sienna moved through her routine with crisp form, feeling the familiar burn in her quads and shoulders. Kyle spotted her on the first squat set, his hands hovering near her hips but not touching. The tension was there though, subtle, like static in the air. She caught Taylor watching the way her ass flexed under the leggings and felt a small flush of heat, nothing she couldn’t ignore.

“Form’s solid,” Kyle said after her third rep. “But you’re holding back. Push harder on the drive.”

“I’m saving it,” Sienna answered, breathing steady. “We’ve got all night.”

Jamal chuckled low. “She talks like she’s already won the session.”

The first real shift happened during spotting. Sienna lay back on the flat bench for presses, and Kyle stepped in close behind her head. His thighs bracketed her shoulders. She could smell his soap and the faint musk of sweat from his own earlier lift. When she unracked the bar, his fingers brushed the outside of her arms, steadying her. The touch lingered a second too long.

“Good girl,” he murmured, just loud enough for her to hear. “Keep your chest up.”

The words landed differently than usual coaching praise. Sienna felt her nipples tighten against the fabric of her sports bra. She pushed the set out cleanly, but her mind wandered for the first time all night. Professional, she reminded herself. This is training.

Taylor took the next spot. He was broader, his grip firmer when he helped guide the bar back into place. “You’ve got power in those arms,” he said, voice teasing. “Bet you could handle more weight if we added some motivation.”

Sienna sat up and wiped her face with a towel. “What kind of motivation are we talking about?” The question came out lighter than she intended, almost flirty. She saw Kyle’s mouth twitch in approval.

They moved to bodyweight circuits next, but the spotting turned more hands-on. Kyle adjusted her posture during push-ups, his palm flat between her shoulder blades, then sliding lower to correct her hip alignment. The touch sent a clear signal. Jamal stepped in to help with a stretch, his strong hands wrapping around her thighs as he guided her into a deeper lunge. She felt the heat of his body close behind her.

“You’re flexible,” Jamal said quietly. “That’s going to come in handy.”

Sienna’s breath caught. She could feel the shift in the room now, the way the three men were circling closer, testing boundaries. Her professional armor started to crack just a little. She liked the attention. The power of having all those muscles focused on her. She told herself it was just the adrenaline of the late-night session.

They ended the warm-up portion on the bench again. Sienna lay back, this time without weights, while Kyle instructed her through some core work. Taylor and Jamal moved to either side of the bench. Hands began to wander with more purpose. Kyle’s fingers traced the line of her collarbone, then lower, brushing the top of her breasts through the tank top.

“You’ve been killing it,” Kyle said. “Time to see how you handle a different kind of pressure.”

Sienna didn’t pull away. Her pulse hammered in her throat. She looked up at the three of them looming over her and felt a dangerous spark low in her belly. “Show me,” she said, voice steady even as her mind raced.

Kyle’s hand moved to the back of her neck, guiding her. Taylor and Jamal stepped in closer. She found herself sitting up on the bench, then sliding to her knees on the padded floor between them. The shift happened so smoothly it almost felt natural. Her hands rested on Taylor’s thick thighs first, feeling the dense muscle there. Jamal’s fingers stroked through her ponytail, loosening it.

“Open up for us,” Kyle instructed, voice calm and commanding. “Let’s see that mouth work.”

Sienna’s lips parted. The first cock she took was Taylor’s, thick and already hard, sliding over her tongue with a heavy weight. She moaned around it, the sound vibrating through her chest. Jamal’s hand cupped her jaw, tilting her head so she could take more. Kyle stayed behind her, one hand resting on her shoulder, the other reaching down to tug her tank top lower so her breasts spilled free.

She worked them in rotation, moving from Taylor to Jamal and back, saliva slicking her chin. The taste of skin and salt filled her senses. Kyle’s voice stayed in her ear the whole time, low and filthy. “That’s it. Take them deeper. Show us how much stamina you really have.”

Sienna’s thighs pressed together. Her professional mindset was slipping fast, replaced by a raw, growing hunger. She sucked harder, hollowing her cheeks, letting the men use her mouth in steady rhythm. Hands stroked her hair, her shoulders, her exposed breasts. Fingers pinched her nipples just enough to make her gasp around the cock in her mouth.

Taylor groaned and pulled back, letting Jamal take over. “Fuck, she’s good at this.”

“She’s only getting started,” Kyle answered. His hand tightened on her shoulder, possessive. “Keep going, Si. We’re just warming up.”

She lost track of time on her knees, the bench cool against her back when they leaned her against it for better angle. Three cocks took turns stretching her lips, feeding her their lengths while the others stroked themselves or touched her body with increasing freedom. Sweat gathered at the small of her back. Her own arousal soaked through her leggings. Every time she thought about stopping, about keeping things professional, another wave of heat rolled through her and she opened wider instead.

The first shift toward something bigger settled in her chest like a promise. She wanted more than this. She wanted to see how far her body could actually go with these men directing every move. The thought should have scared her. Instead it made her suck harder, eyes lifting to meet Kyle’s as she took him to the back of her throat.

He smiled down at her, that intense, knowing look. “Good girl. We’re going to have a long night.”

Sienna swallowed around him and felt the first real crack in her disciplined walls. She didn’t want the session to end. She wanted whatever came next.