Plot: Adam is off to college and a demon has a surprise for our doggy boys. Unfortunately for the demon, he didn't take into account the fact that demonic women find Sam irresistible. But, hey she is a hellhound, so maybe I could be wrong. (That Sammy is one fine specimen of doggyhood!)

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The truck was loaded and ready and Adam stood there looking down at his doggy brothers sadly.

"I wish you could come with me. I'm going to miss you." Adam said petting each one and hugging them goodbye.

'We do too, Bro, we'll miss you.' Dean said licking his cheek and nuzzling his face into his brother's shoulder.

'Visit and call, Adam.' Sam added, licking the other cheek and Adam hugged him as well.

"Promise. Besides Thanksgiving is coming, I'll be back for that for sure." Adam promised. He was looking forward to a real thanksgiving with his brothers this year. They seemed excited about it too.

"Better get going, Boy. You got a drive ahead of you." Bobby said gruffly, eyes tearing up. Adam was leaving for Stanford and he was going to miss him.

"Yes, sir. Going now." Adam stepped away from his brothers and went to climb in.

'Use your protections, the ones we taught you to do to protect your room. Call if there's something going down there or if you suspect something. Don't do it yourself, call us! We mean it.' Dean whuffed, making sure the boy was safe was the most important thing to him now.

"I will, got everything I need with me to do it." Adam reassured his doggy brother. "Dean, I'll be safe. Don't worry."

'Not likely to happen.' Sam said as he came to sit by Dean, licking his ear softly, reassuring him. Adam could see Dean wouldn't be the only one worrying either.

Adam looked at them sadly and started the truck. They all watched him pull out and sighed, the place feeling emptier already without him there.

The boys worried but glowed with pride at their brother. Bobby felt the same way.

They headed in to eat and Bobby fed all the dogs, including the brothers.

The empty spot at the table only reminding them he wasn't there.

No one ate much that night. Their appetites were diminished now.

They cheered a little at the thought that he would visit them soon and call often.

Maybe a little more food wouldn't hurt, they decided, it did look good.

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The boys felt the presence enter the yard with their hunter senses. They climbed out of the Impala and sniffed, smelling something that gave off sulfur smells. They couldn't see it but could see its heat and damn if it wasn't huge.

A hellhound. Internally they cringed, It was a hell hound.

Sam sniffed some more and caught its scent and smelled something else, something that gave him an oddly aroused feeling. She was in heat and it called to him. Dean appeared unaffected though or maybe he didn't care. Either way Sam found this to be a bad thing.

They barked loud warnings to the house and Bobby came running, gun in hand. He only saw the dogs in the middle of the yard looking around, eyes and ears showing there was something here somewhere but they couldn't find it exactly.

Bobby went to them and then the weirdest thing happened. He later found this to a totally new situation for him, and he had seen a lot.

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The demon performed its ritual in an abandoned house near the salvage yard and scowled. It wanted in but couldn't get in. So it would try something else, something that would be a surprise for the three men. This would kill them for sure, the Winchesters and the old hunter that scared them. His magic was strong and it kept them out, they couldn't have that.

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The hellhound appeared before it, eyes glowing, teeth sharp as knives. It awaited its orders, growling at the dirty thing that dared summon it here to this plain. It would serve it though, then maybe drag it to hell with it on its way back. The thought cheered the hellhound and it growled more, it wanted this over and done with.

"Go to the salvage yard, kill its occupants, especially the younger men and the old guy." The demon ordered and the creature disappeared from its sight. The demon rubbed its hands together in glee, it was going to achieve what all of Hell had already tried…and failed at. It was going to kill the Winchesters and it felt good to be the one to achieve that honor. It would be rewarded well for this.

The hellhound walked into the yard, smelling her way in, eyes looking for her prey. Then she caught a scent, similar to the demons but not as…unpleasant. She also smelled souls three of them, human souls. That must be the ones she is hunting.

She reached the large yard in the middle but was stopped by two dogs, dogs that strangely smelled a bit too…human. She also caught the pleasant smell again, coming from the taller dog with the long hair. Demon but not. Strange. She also felt the flare of the need to mate burn in her at the sight and smell of the taller one. She slowly approached the spooked dog and checked him out, the smells of him confusing her. All other scents were not important. This one had her held in fascination and desire to mate with him. The dog's hazel eyes were alarmed and hard but she definitely saw interest there, interest in her, the urge to mate in the background, mate with her.

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The dog was gorgeous and oh so appealing to her. She felt the desire to do what the demon summoned her for pushed aside by another even more powerful desire. The desire to make herself know to this one. She felt what they were now, humans in dog bodies but found that she didn't care, she just wanted this one, he wasn't human to her, he was her future mate. She wanted him to take her but knew this would take time. She still found herself rubbing against him and offering herself to him and him being interested. He came to her and sniffed back, unable to stop himself. The others watched as he mounted her and mated with her right then. The hellhound began to show itself as the mating progressed and let her body match the mate now rutting into her, their desire joining them in mutual pleasure, their needs becoming one, urging Sam on to finish the mating act, to own her, to claim her for his. She rejoiced at this and let her form settle into one matching his. As it solidified, she felt her hellhound appearance become nothing and her body filling out the new form she had created. She was now unable to change back but didn't mind, she had found her mate and she was fine with that.

Bobby and Dean watched in shock as Sam and the now visible wolf hound rutted together panting, their mating furious and powerful. Bobby knew this was going to be strange to deal with but knew they would. He made Dean step back and stay away, reassuring him this was normal mating behavior for dogs, even Hellhounds. He knew the hellhound would stay now, hellhounds mated for life, not like earth dogs, and they were attached once they chose their mates. He waited for them to finish, pulling Dean behind him, and grinning. This was going to interesting to talk about later, there would be talking to them all later.

After the mating ended, Sam lay by her, excited and tired at the same time. He was also confused at what he was feeling. Love? But how?

'My name is Jk'olen but you can call me J'k' (Gee- kah was how he heard it and thought it was pretty.)

"I am a bitch from the pit, born of its flames. I choose you for my mate, Sam Winchester, I will whelp your pups, protect your den, fight by your side, and lay my life down for yours. I will make your Alpha, the man, my Alpha. I will have you as mine forever. I will love you, Sam Winchester, my mate." She vows and waits for Sam to respond.

Before he can, a sound and sulfur smell pours from the entrance to her home. She ran toward it and saw the demon there. "Are they dead?" The demon hissed but the hellhound growled revealing its true teeth, sending the demon into terror. The demon tried to approach to break a ward or two so he could get in but was met by another dog, just like the hellhound in appearance. The hellhound edge toward the dog and stalked toward it now, putting itself between the dog and the demon. The demon growled as it realized what had happened and swore. The damn hellhound had went into kill the men but found a mate instead! Damn it! He wanted to approach the dog and tear off its head for turning his hellhound from its true purpose.

'This is my home now, my den, you are not welcome here. He is my mate and they are my den. I will take you back to hell if you hurt them, especially my mate." The hellhound hissed at the demon in its demon speak.

"I will kill you for this, you bitch!" The demon approached her now, the desire to kill her and every one inside visible on its face.

Bobby and Dean had joined them at the gate with weapon drawn and teeth bared. Both watched as the hellhound pushed the demon away and got itself between them and it. The hellhound was protecting them, their home, her den now. Both men were apprehensive but saw how truly she wanted this, otherwise she wouldn't have been doing this.

'I am not your servant, demon, I am a creature of the pit, I am a hellhound. You do not order me, Hell does and even then I choose who to obey. I will kill you if you try it.' The hellhound smiled revealing its long teeth and red eyes, readying itself to kill the demon.

'You bitch!' The demon shrieked in fury as it lunged at her and she sunk her teeth into it, pulling out the demon inside it, and pulled it down to hell, invisible again and slipping through the floor like it was nothing.

It was not more than a second when it appeared again, smelling like sulfur and fire, giving off heat. It became visible and went to Sam, kissing him and letting him know she wasn't going anywhere. Some of the confusion left his eyes and he looked at her with something soft, something humans would call Love but she called claim.

She moved to stand nose to nose with the dog, and let herself speak.

'I choose you, Sam, for my mate.I wish to den here with you.'

He was happy, he had a mate now who knew just who and what he was and loved him. He loved her now, he realized, that was what had confused him before, what he had felt as soon as he saw her defend them at the gate and when he heard what she said at the gate. He found her beautiful too. 'My beautiful bitch, I will den with you.' He said as he licked her face and leaned into her. 'Stay with me.'

'I will, Sam, I will.' She promised, licking him back. She was with them now, she was with Sam, her mate, now. No demon would harm him. She would grab it, shred it, and take it back to hell screaming if it so much as tried. This applied to Dean and Bobby as well. This was her home now and it was where she belonged.

She looked at Bobby, and asked, 'Can I stay? You will be my Alpha and Sam my mate. The other will be our pack-mate, our other.' She watched and saw Bobby smile fondly at her. Her fur was lighter than Sam's, a gray so light it was almost white with a dark gray line down its back. Her eyes were brown, with red in the iris's.

"You are most welcome here. What is your name?" Bobby asked and Dean smiled a little. Maybe the hellhound wasn't so bad. It was better than Meg or Ruby by a long ways. It wasn't going to hurt or trick Sam. It would love and care for him, like a mate should. Dean decided to give her a chance, if only because she appeared to make Sam happy. He wanted this and needed this, so Dean would let him try it.

'My name is Jk'olen but you can call me J'k' The Hellhound said in its mind to Bobby.

'You aren't using tricks to get close enough to kill us are you?' Dean wouldn't put it past them, they've tried it before.

'If I was going to kill you, Dean Winchester, I already would have in the yard before.' The hellhound pointed out, not taking offense, they had be tricked before so it was a reasonable question from them.

'True. If you hurt my brother, I will find a way to kill you.' Dean vowed coldly, and the hellhound saw he meant every word.

'I won't.' She said going by Sam again and nuzzling his neck, in the mood again. They wandered off into the yard and Sam found a corner to be alone with her. He mounted her again and they were lost in their own world, this time the mating meant more to him, he was claiming her as his, his mate, his for life, his to make a home with. His to love and keep.

Bobby and Dean headed to the house and left them alone. Bobby wondered if there would be puppies from this mating and found it wasn't a bad idea. He hadn't expected this but damned if it didn't feel right. She would be another good protector for the yard.

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Wow, Adam's off to school and now a hellhound has seduced our Sammy. She takes to our hunky wolf-hound like stink on cheese. Who says a man can't change a woman's mind, even a hellhound's?

Please review.