Simon couldn’t remember the exact moment they had stopped working and started kissing. The tension between them over the past few days had been palpable and he’d known it would only be a matter of time before both he and Kaylee gave into their overwhelming desire for each other.

This day had started like all the rest, with the two of them working, side by side, to get Serenity back in the air. The only difference had been the unbearable heat and as they worked and the temperature rose Simon had been forced to remove his sweat-soaked shirt. Catching a glimpse of his bare-chested form, Kaylee had raised an eyebrow at the young doctor and Simon immediately blushed.

“Sorry,” he muttered, reaching to put the shirt back on. “I didn’t mean to make you uncomfortable.”

“Oh you didn’t,” she teased, turning back to her work. “I just had no idea you’d be so pretty without any clothes on.”

Determined not to blush again, Simon picked back up the wrench he’d been using and try to push the sudden image from his mind of Kaylee without any clothes on; they had a job to do.

When that job had stopped being about the ship and had started being about loving each other, Simon couldn’t say. Kaylee’s mouth was on his hungrily and he kissed her back, pulling her to him and holding her tight. Their sweat mingled together as they came up for air, and they slowly sank to the engine room’s floor, which was thankfully cool.

Panting from their closeness and the hormones it released, Simon pulled back from Kaylee a bit, drawing a line from the top of her forehead, down her nose and over her lips, past her chin and between her breasts. Lifting up the bottom of her shirt, he placed gentle kisses all around her belly button and felt her shudder underneath him from the touch.

Glancing up to her face, he saw her eyes gazing down at him and with her hand drew his lips back to hers, kissing him fiercely. Enveloping her in a tight embrace, Simon pulled her into his lap and worked his hands under her shirt, pul