Author's note: I have made some much needed edits. This is set sometime after s6 10 "caged heat" but before Cas goes to the mental hospital after saving Sam. This is kind of ooc… May I present to you my OTP…

Megstiel

They stood with their backs to each other, the Winchester boys, surrounded by a circle of demons. All of the eyes around them were completely black.Well, all except for the one red pair that stood apart from the others. The lower level grunts didn't move, they waited for their king's command like the good little soldiers they were.

With only two weapons between them, an angel blade and the demon knife from Ruby, there was no way the boys were going to defeat the ten demons that surrounded them. Technically they would only have to defeat nine, as if the king of hell would bother to get his hands dirty fighting fair.

There was no sign of fear in Dean's eyes as he made eye contact with the black-eyed sons of bitches he could see.

"So, you are just going to lay down and be his little bitch?" he asked a particularly stubborn looking demon. His question was ignored. Dean was ok with that; he was just buying a little time until backup decided to show.

'Come on, Cas' he thought as the demons began to close in. He readied his blade and felt Sam do the same behind him. Dean would be damned if they were going down without a fight.

Rush. Backup had arrived. Castiel stood there with an angel blade of his own unphased by the scene that was developing before him. Crowley didn't appear alarmed or worried when the armed angel materialized outside his circle of henchmen. What caught he, and the Winchesters off guard was Meg, the demon, stepping around Cas clearly ready to fight on the side of the good guys this time. She cast a glance at Castiel, one he didn't seem to notice.

"Let them go, Crowley," Castiel said, his voice gruff, matter of fact. "Let Sam and Dean go and we won't hurt you."

"As if you two, an outcast of heaven and a rebel of my own hellfires, could hurt ME, the king of hell, even with the brothers grim here?"

"Oh, yeah? You wanna test that theory?" Sam asked, his voice ringing with a confidence he didn't quite feel.

Crowley just smiled. "Get 'em, boys," then he disappeared leaving his grunts to do finish job, as expected.

The first few seconds were like a good old fashioned stand off and then everything went to shit. Two demons rushed each of them, except Cas, he got three.

Cas took out the first one that reached him with ease. He dodged a fist then stabbed him in the gut with his angel blade, which coincidently worked on demons too. Light flickered under his skin for a moment then his eyes went from demon black to lifeless dull brown as the demon died along with the vessel. Castiel felt bad for the mortal that had died too, but he didn't have time to reflect before the other two demons were on him.

His blade was knocked out of his hand as they backed him up against the wall. He looked at them for a moment as they sauntered towards him , their black eyes gleaming with amusement. They thought they had beaten him. It was better that way; that would make it easier to catch them off guard. He waited patiently for the right moment then he rushed them, placing the palm of his hand on each demon's head. They were immobilized immediately. He could feel their panic as called on his heavenly powers and smote both demons where they stood. It was not a pretty sight.

He counted the remaining bad guys as he cast a quick glance around the dingy old warehouse to which they had come. Sam, Dean, and Meg had all taken out one of their demons, and the boys were easily handling their other two. But when he turned back to Meg, she had been knocked to the ground and this oaf of a man was straddling her. His shoulders were broad and he was all muscle. The veins on his arms were visible; his meaty paws around Meg's throat, clearly trying to choke the life out of her. Castiel would never understand why she didn't just abandon her host.

She looked his way, her eyes screaming for help. A rage he hadn't felt before twisted in his gut, and without hesitation he plucked his blade off the ground. In only a matter of steps he was within striking distance. Quick and ruthless Castiel stabbed the demon in the back, severing his spine, not even giving him the chance to defend himself; he didn't deserve it. The demon collapsed on top of Meg. She shoved him off of her and tried to catch her breath. Cas offered her a hand. For a moment she just looked at it not sure what to do, then she got up on her own still coughing and breathing heavily.

Cas checked one more time to make sure Sam and Dean weren't hurt too badly. He looked at Meg one last time as if he was trying to figure out what she had done to him, then left the same way he appeared, without a word, just a gust of air and the quiet sound of wings. He smiled to himself when he heard Dean mumbling about "frickin' angels,".

Meg stood over the sink in her hotel room (she didn't do motels like the low class Winchesters) examining the bruises that were covering her neck. She would heal faster than a human would, but until then that disgusting demon's pawprints would remain on her skin. She could have left her host and saved herself the hassle, but she had grown strangely fond of this meat suit, and it of the angel that had saved her. There was a familiar sound and a flurry of air that raised goose bumps all down her arms.

"Speak of the devil, and he shall appear."

"Meg, you know that I am not Lucifer, my name is Castiel."

"Don't let it rustle your feathers, Clarence, it's just an expression."

Cas shook his head; his name wasn't' Clarence either, but he let it go.

"What are you doing here, Cas?" Meg asked sounding a bit impatient with the angel.

"I just wanted to make sure you were really alright."

"Yeah, Cas, I'm fine," she said and turned away from him rolling her eyes at the annoying ripple of happiness she felt that he would even care to ask. He reached out and grabbed her hand and gently pulled making her face him again.

"You know, I can heal those for you." He brushed his knuckles lightly along her neck and invaded her personal space.

She looked up at him as if she was going to protest, but she saw something in his eyes that gave her pause.

When Castiel realized he was staring at those soft luscious lips, he quickly looked away. He should be ashamed. He was an angel of the Lord and he shouldn't be having thoughts like this, much less about a demon. He let go of her hand and was just thinking about leaving when she touched his cheek.

When he looked back, her eyes had gone black. She was showing him what she truly was, giving him the chance to stop if he wanted to, he didn't.

Slowly he leaned down and kissed her tentatively, but she was having none of that. She deepened this kiss letting her passion bubble to the surface. Demons had no problem letting their sinful nature take over.

Cas seemed a little reluctant, but only for a moment. He picked Meg up easily and set her on the counter by the sink. She pushed his trench coat off his shoulders and he let it fall to the ground. Then she pulled off his tie and tossed it aside. Her fingers easily began undoing the buttons on her shirt as Castiel fumbled with his own. Meg had her shirt off now and Cas had his open. She placed her hands on his chest and pushed him away. For a moment she looked confused as she hopped down from the counter.

"Meg, I thought…" He stopped mid sentence when her hands went to unfasten her pants. She pulled them and her black lacey panties down and stepped out. She quickly got her matching bra off and stood there in front of her angel completely naked.

She walked towards the bed, but before she got there Castiel grabbed her from behind, his hands gently roaming her body. He cupped her breasts, her nipples hardening in his hands and it was too much to bear. she wanted more.

She turned in his arms, her hands working quickly to unbutton his pants. She pushed them down past his hips her hand brushing his tip and sending a shiver up his spine.

He pushed her onto the bed then stepped out of his pants and climbed on top of her. He kissed her again as he positioned himself, the need to be inside her overwhelming his existence. He thrust into her, deep and hard. She gasped.

He stopped, suddenly unsure of himself. "Meg, are you alright? Did I hurt you?"

"I'm fine, Castiel," she said breathlessly. "Don't stop. Please."

So he moved again, slowly at first. In and out. He had never gone this far with a woman before, but he knew his vessel, Jimmy Novak, had, so he just did what felt good. Meg seemed to be enjoying it too, if the noises she was making were any indication.

"Faster," she moaned, "harder."

Castiel obliged. He could feel her muscles clenching around him as her orgasm came closer. When she came, she gripped his shoulders so tight her nails dug into his skin and drew blood. The pain was nothing compared to the sheer pleasure that hit when his orgasm soon followed. He thrust into her a few more times and then pulled out and lay beside her. They were both trying to catch their breath. Cas pulled Meg closer to him and was content to just lay there with her in his arms.