Hey people! So this is my very first Cas/OC. Please leave a review and let me know what you think. I won´t continue this story otherwise.

This is set at the very beginning of season 5. What if Dean and Sam weren´t the only ones under Castiel charge? Cas decides that it´s time for Adrianna and Blair Williams to team up with the Winchesters. Blair always had a crush on her guardian angel but the simple crush turns into something more. Enjoy! xxLois87

A few days had passed since Lucifer was freed and the Williams sisters hadn´t heard from Castiel for over a week. Adrianna wasn´t bothered at all since she hated being bossed around by him but Blair was worried. There was something about the blue eyed angel that attracted her, which was much to her older sisters dislike.

Blair was lying on yet another crappy motel bed and waited for her sister to get ready.

Her cellphone rang and without hesitation she answered the incoming call.

"Hello."

"Blair?" A male voice asked.

"Who is this?" She retorted in response.

"It´s me Castiel."

"Oh my goodness. Cas, are you ok? You had us worried." She paused for a moment. "Why the hell are you calling me?"

"I promise I will explain, but not now. Can you make it to South Dakota by tomorrow evening? I need Adrianna and you to meet me up there. It´s urgent."

"Yeah I guess." Ohoh Ade is going to be pissed, she thought.

"I will contact you again to tell you the exact location." With these last words he hung up.

***

The older Williams sister exited the bathroom to find her younger sibling staring down at her cellphone.

"Hey Blair, you alright?"

"Castiel." She stuttered in disbelief.

"What about him?" She looked around but couldn´t find the angel anywhere.

"He just called."

"Called? As in used a phone to contact you?" Adrianna couldn´t believe what she was hearing. Blair nodded. "I didn´t think angel boy knew how to use a phone. Guess, I oughta give him some more credit. Anyways, what did he want?"

"He told us to meet him up in South Dakota tomorrow evening."

"South Dakota? Are you kidding me? We´ll have to drive nonstop to make it there in time." She let out a sigh of frustration. "Great, now he´s bossing us around through the phone aswell. That angel dude has some nerve. I swear to God, I´m going to whoop his ass."

"Ade, don´t be such a drama queen and besides we can take turns driving. He said it was urgent."

"Whatever. Let´s get going then." She rolled her eyes and grabbed her duffle bag.

***

The sisters stuffed their bags into the trunk of their black BMW M3 E90.

"Here, you´re first. I need some sleep." Ade tossed the carkeys over to Blair and got into the backseat of the car. She lay down and covered herself up with the duvet they had stashed there. "Night night, little sis. Wake me up when it´s my turn to drive."

Blair started the car and sped off to South Dakota.

A couple of hours later she pulled up at a gas station to fill up the tank and get some food.

She returned to the car and woke up Adrianna.

"Your turn. Here´s the exact location." She handed her the piece of paper where the adress of some diner was scribbled on.

***

They arrived a little early and checked into a local motel before meeting up with Castiel in Mikes Diner.

An hour later they pulled up in front of the diner and entered it.

"Go ahead, I´ll get a drink. You want anything?"

"No, I´m fine."

Blair roamed the diner and found Castiel sitting in a booth with 2 guys. He stood up as he spotted her and before he could make any introductions he was pulled into a bonecrushing hug by her.

"Thank godness, you´re ok." She pulled away. "Sorry." She apologized as she saw the startled look on Castiels face.

"This is Blair Williams. Blair, these are Dean and Sam Winchester." Cas introduced.

The Winchesters looked at the 5´6, dirty blonde haired and blue eyed girl in front of them and greeted her.

"Where´s Adrianna?" Castiel inquired.

"Who´s Adrianna?" Dean interrupted.

"My older sister. She´s over there by the counter." She explained and pointed over to her.

Dean let out a whistle as he spotted her which didn´t surprise Blair at all. Adrianna had that effect on most men and she was well aware of that herself. Blair was a pretty girl aswell but she prefered to stay in the background. She mostly wore loose fitting shirts, jeans and sneakers that concealed her body, whereas Adrianna went for tight clothes that had the opposite effect which didn´t mean that she was an 'easy' girl.

***

"Ade, over here!" Blair called out and her sister made her way to the booth.

"Hello Adri..." Adrianna put down her drink and slapped the angel before he could finish what he was about to say.

Dean suppressed a chuckle while Sam and Blair just stared at her in shock.

"So now you just boss us around through the phone? Dude, you´ve got some nerve." She then turned towards the Winchesters. "And who the hell are you?"

"I´m Dean and this is my brother Sam."

"As in Dean and Sam Winchester?"

"Yes, I take it you have heard of us." Dean shot her a cocky grin.

"Peachy, just peachy." She sat down opposite to the boys and pulled a little whiskey flask out of her jacket and poured the entire content into her coca cola. "Yeah, I´ve heard about the two idiots who opened the damn gate to hell and jumpstarted the friggin apocalypse."

The cocky grin on Deans face vanished instantly.

"What are you two waiting for? Sit down already." She ordered Castiel and her sister. "So angel boy, care to explain what was so urgent about meeting these two knuckleheads here?"

Blair nudged her older sister. "Why are you being so bitchy today?"

"Bitchy is an understatement, try extremely bitchy." Dean added.

Adrianna glared at him. "I don´t remember anyone asking for your opinion, chuckles."

"Adrianna, I understand you´re upset but I asked you to come here for a reason. Lucifer is walking free and the boys will need your and your sisters help in order to stop him. Since I rebelled, I was cut off of much of heavens power." Castiel voice was as calm as ever.

"Let me get this straight, you lost your mojo and now you expect Blair and me to team up with Mulder and Scully?"

"Mulder and Scully?" Castiel asked irritated.

"X files, ring a bell? Guess not. I referred to Dean and Sam."

"Yes, that´s what I meant. They need all the help they can get."

"What? We don´t need their help!" Dean objected angrily. That chick and her attitude was getting to him.

"See, they don´t even want our help. This is just a waste of time." Adrianna downed the rest of her drink and stood up. "I´ll wait in the car for you Blair."

She watched as her older sister took off.

"I´m really sorry guys, she´s usually not like THAT."

"Kind of hard to believe." Dean stated matter of factly.

"She´s been through a lot and she.. Well, she kind of blames you for that."

"Why the hell would she blame us? This is the first time we´ve met."

"We grew up in a family of hunters and were raised to continue the family business. Adrianna however quit after she fell in love with this guy called Matt. She fell pregnant with their first baby and they were about to get married, too. Just then the gate to hell was opened and some of the demons she had sent back to the pit escaped and hunted her down. They killed Matt on the day of their wedding." Blair paused for a moment. "She lost the baby aswell."

Dean and Sam were shocked.

"Castiel, I will talk to her." Blair took out a piece of paper and a pen. "Here, that´s the motel we´re staying in. I need to go now. See you, boys."

***