Chapter Text
“Oh, Doctor, yes… Fuck, oh my God, yes!”
Grace arched her back, pressing her large, round breasts into the Doctor’s own chest, their nipples meeting and rubbing together, adding just that tiniest edge more of pleasure to the latest burst that went coursing through her body with every thrust of his cock into her. She thought perhaps she might have gotten used to the delirium, the delight, by now, but every new ebb was like she was experiencing it for the first time. They’d been going at it hard for what must have been hours already, the bed beneath her damp with her own sweat and juices, but the Doctor still hadn’t tired.
She really didn’t know how she wasn’t exhausted herself, the day she’d had. She’d come home after a few drinks with some of the girls from the hospital, promptly deleted the voice message from Brian wishing her a happy birthday, and had just been getting ready to run herself a nice hot bath before bed, when there’d come a knock at the door. Honestly, the last thing she’d been expecting was the Doctor. She’d hoped it would be, just like she always had since New Years Eve 1999. But when she’d opened the door, seen that floppy hair, that cravat, that excited smile and those eyes…
Grace could have kissed him, then and there. She’d managed to contain herself enough to pull him inside and ask why he was here. He’d answered by wishing her a happy birthday and then pulled her into a kiss. After a few very hot, very spit-filled minutes, they’d finally broken apart to breathe and he could elaborate that he thought, as it was his birthday too, they might as well go out together. A real date, even if he hadn't explicitly said it. Grace had thought, briefly, what a coincidence that was, both their birthdays being on the same day. Then she’d remembered- time machine.
Then she remembered again, properly. Time machine. And spaceship, as the Doctor had reminded her, the instant he’d seen her eyes widen.
Thus had began truly the wildest birthday of Grace’s life. They’d gone to four different planets already, plus a visit to the Hanging Gardens of Babylon. Then a quick stop by Rome for dinner, and now they were here, in a cabin on the shore of a lake on a planet the Doctor had said was three-million lightyears from Earth. It had purple grass and dark red sand, but the water was still blue. That was what had allowed Grace to stay tethered to reality, probably. Now she wasn’t even registering the bedsheets she was lying on were made from alien silk, made by alien hands, picked from alien fields. After all, she was being fucked by an alien, what was lying on a bed made by one as well?
The alien fucking her was looking down on her now. Squinting through the pleasure a moment, Grace could see that he looked more… curious than anything. Oh, there was delight, desire, all the good stuff in his eyes, in his grin, but there was a potent interest as well. It tickled her own natural inquisitiveness, so in-between moans she gasped out. “What’s that face for?”
“Your voice. It’s gotten several octaves higher since we started”. He answered with a light chuckle. “You’ll be ready to sing Madame Butterfly yourself soon, Grace”.
Grace couldn’t help but laugh breathlessly as well, her smile widening even more as she got an idea. Wrapping her arms around the Doctor’s neck, she leant upwards, keeping her eyes on his own the whole time. She whispered, nice and low.
“Okay then, Doctor. Make me sing…”
And then the Doctor had smiled and done as ordered. Rearing his hips back, he thrust into her the strongest he had all night, instantly igniting a wildfire of pleasure inside Grace. But then he upped the ante, by ducking his head down, finding her jiggling breasts and latching his mouth onto one of her meaty pink nipples. He sucked, somehow both hard and gentle, his tongue lapping over the tip and sending electric tingles all throughout Grace’s body. She arched her back, threw her head back, her eyes going wide, her mouth dropping open but no sound emerging. It was like her brain had been fried by the sudden, overwhelming stimulation of it all.
The Doctor, maybe sensing a winning formula, continued his pattern of pounding and suckling, putting his lips to every inch of skin he could get. When Grace’s nipples were hard as bullets and literally dripping with his saliva, and the rest of her tits were purple with blooming hickeys, he turned his attention to her neck, her shoulder, her collarbone, her jaw and eventually her lips. They moaned into one another’s mouths, swallowing the sounds and wrestling tongues.
All the while, Grace’s insides were rearranged by the Doctor’s cock over and over again, the walls of her pussy squeezing around his length with every thrust, literally squelching she was so wet for him. The grip on his neck became less about keeping him in her, and more just for holding on for dear life as he fucked her to heaven and back. The kind of pace he was going out, the kind of pleasure that was rocking both of them to the core, even the Doctor couldn’t hold strong against that for long.
Grace could tell, as his thrusts became even faster and a little wilder, that he was close too. Teetering on the edge, and it was knowing that that sent her careening off it herself. Her legs suddenly shot up, curling around his hips as her arms tightened around his neck, hugging him to her as she cried out with all her power. “Oh, DOCTOR!”
As her third orgasm of the night rocked through her, the Doctor’s breathing became short, any clever words he might have had for her explosive reaction catching in his throat, as he felt it too. As Grace squeezed around him the hardest she had all evening, he suddenly let out a grunt and a yelp, as he gave a final, great thrust into her. He unleashed his seed deep into her, painting her insides a creamy white, the feeling of it flooding her making Grace let out a final ragged moan before her arms, legs and head fell back onto the softness of their bed.
The next few moments were a bit of a blur, as she slowly descended back down to Earth (or whatever planet they were on). She blearily registered the Doctor pulling his drained cock from her and rolling over to lay beside her, allowing them both to simply catch their breath and stare at the ceiling. The air was warm and heavy with the smell of sex, sweat and cum. Grace could feel a new pool of stickiness on the mattress, soaking into it, smearing on the back of her thighs. She deliberately placed herself more directly onto it when she rolled onto her side, leaning her head against her hand as she looked at the Doctor with a tired but victorious smile on her plump lips.
“So… Me or Madame Curie?”
“What?” The Doctor, his two hearts no doubt still hammering, looked over to her with confusion written all over his handsome face. Grace raised an eyebrow and repeated the question.
“Me… Or Marie Curie. You did say you knew her intimately”.
The Doctor stared at her a moment, before letting out an utterly tickled chuckle, closing his eyes and rubbing at them with his hands. He finally answered, with a groan. “Oh, Grace, you’ve done the impossible. You’ve actually made a question that I can’t answer”.
Grace laughed, an almost drunken sound, as she gave his shoulder a little slap. “Okay, fine… Both of us then”.
The Doctor grinned at her then, a hint of coyness to it. “Is that you picking out our next destination?”
Oh, they really could, couldn’t they? They could hop in the TARDIS, head back to Paris in the ‘20s and stop by Marie Curie’s place for a three-way. Grace felt herself getting dizzy again. “Maybe save for that when I don’t feel completely drained first”.
She moved in closer, snuggling up to him and placing an arm across his stomach, as her head came to rest on his bare chest. His skin felt warm beneath her cheek, all the activity heating it up from its usual coolness, and Grace could feel the thumping of his hearts. The doctor in her instinctively worried for his blood pressure, but she buried away Dr Holloway for now. Grace merely listened, and smiled, as the Doctor’s hand stroked through her hair.
After a while, he said softly. “What’s wrong?”
Grace, in turn, looked at him, surprised. “Huh?”
“The way you’re holding on to me, like you’re afraid to let go. You needn’t worry, I’m not going to blow away with the next sea breeze”.
Grace laughed, but it was a low sound, as the arm around his waist got a bit tighter. She shook her head against his chest. “I don’t know, I just… I feel like a girlfriend in one of those old war movies, meeting up with their guy for one last night of passion before he ships out”.
The Doctor scoffed gently. “If there’s one place you’ll never find me going, Grace, it’s to war”.
“I know”. Grace closed her eyes. Breathed in his scent. Committed it to memory. “I just wish it could last forever; you know. This…”
“It can, in a way”. The Doctor replied, his voice equally as gentle. It was like they were both afraid to really break the post-coital quiet. “Time is relative, Grace. I know planets where the nights last 24 years”.
“Of course you do”. Grace shook her head, utterly finished and utterly delighted in it all. “Okay, maybe we can head there… After we’ve paid Marie a visit”.
“Naturally”.
Chuckling together, arm in arm, Grace cuddled up to the Doctor. They shared another kiss, as deep and lip smacking as their first all that time ago, and she rested her head on his shoulder. The Doctor pressed his cheek to the top of her head. Softly, barely above a whisper, he spoke.
“Happy birthday, Grace”.
“Happy birthday, Doctor”.