He clamped a hand over my mouth, eyes locking on mine with a warning. Slowly, he started thrusting again, shallow and quiet, grinding deep without pulling out far. The friction on my clit from his pubic bone made me tremble, but I bit down on his palm to stay silent.

“Yeah, I’m here,” he called back, voice steady even as he rolled his hips into me. “Gym’s closed up. Check lost and found tomorrow.”

The knob rattled. “Can you let me in quick? I need it for my run.”

He thrust a little harder, making my eyes water with the effort to not moan. His free hand pinched my nipple,...