Prompt 19: Bind

Three days. Three days they'd been at this and Dean was worn and exhausted. He could feel Cas behind him, his breathing coming ragged once again, puffs hot against his shoulder. He felt sticky and gross and so very, very sore.

Cas whimpered into his shoulder and Dean knew what he needed. Finding what little strength he had left, he rolled onto his stomach, spreading his legs and canting his hips up in offering. How much longer could the angel go?

Dean felt Cas crawl over him, his hard cock jabbing around his still loose, wet hole. He hissed when Cas finally pushed in. God that hurt! Cas rutted into him, breaths panting harshly into the nape of his neck. His thrusts quickly gained strength and intensity. One hand came up to grip Dean's shoulder, right over his mark. Dean felt power pour over him, around him, all of it centered on Cas's mark.

"Cas?" he asked, voice broken and fucked out.

"It's almost over," Cas whispered back, voice nearly as wrecked as Dean's.

Dean had no idea how Cas knew, but he prayed he was right. He didn't know how much more he could take. Cas slowed his thrusts, his movements turning into swivels as the knot began to form. While this had felt good at the beginning, by this point, Dean was just too exhausted to enjoy it.

He felt Cas's dick swell, the knot growing, locking them together only... only this time something was different. The knot kept swelling, much larger than any time before. Dean started to panic. It was too big, there was no way he could handle it! He started to fight, trying to get Cas out before the knot was too large. The angel held him down, one hand clamped tight over the mark, the other gripped his hip bruisingly.

"Dean, stop! You're going to hurt yourself," Cas growled, holding him tighter. Dean's panic rose as the knot continued to grow. The burning in his ass spiked and he cried out. Cas squeezed his shoulder tighter and the burning burst through his whole body.

"Fuck!" he spit out, panting through the pain. He felt Cas lean over, felt the angel's mouth attach itself to the nape of his neck. The pain shooting between his shoulder and his ass was blinding, blocking out everything else. He barely felt it when Cas came, teeth sinking deep into his flesh as the burning pain flared. He felt like Cas was burning yet another hand print into him, binding Dean to him for all eternity. Blackness was a blessed release when it finally came.


Prompt 20: Respite

Dean came to consciousness slowly, registering the different aches and pains one at a time. Every muscle in his body was crying out in exhaustion and he was almost afraid to wake up, afraid that Cas would be there, ready to go again. He had willingly offered to help his angel, but... he was only human, and he was so far past his threshold.

"Dean?" Dean jerked up in surprise and had to bite off a moan as pain twinged through his ass.

"Sam? What are you doing here?" he asked but broke off into a coughing fit when he realized just how dry his throat was.

Sam offered him a glass of water that Dean gratefully took. The cold liquid felt wonderful on his scorched throat. He handed the drained glass back to his brother and glanced around the room. Cas was nowhere to be seen and that thought sent a jolt of... something through him.

"He had to go back to Heaven. He said he'd be back as soon as possible, but asked if I'd sit with you until you woke up, he seemed worried. You okay?" Sam explained.

"Yeah, fine," Dean told him, wishing his brother wasn't sitting next to him while he was butt naked and had just been fucked within an inch of his life for three days straight.

"Good. Uh... want some more water?" Sam asked, fidgeting nervously. He supposed it must be awkward for his brother as well.

"Nah, I think I'll just... crash. Sleep til Cas gets back."

Sam nodded.

"Alright. Get some rest, you look like you could use it."

Dean felt his face flush at Sam's words.

"Yeah, sure. Later."

"Bye."