Momiji, the ultimate gym-honed butch, is a sight to behold as she works out, her powerful body a testament to her dedication. But as she finishes her reps, she can't help but notice the growing bulge in her shorts. She looks around, her heart pounding, as the gym empties. She locks the door, then, with a wicked grin, pulls out a strap-on from her bag. She lubes up, her breath coming faster, and starts to fuck herself against the weight machine, her muscles tensing and releasing as she chases her pleasure, her moans echoing in the empty gym.