Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/12768936.
  Rating:
      Explicit
  Archive Warning:
      Graphic_Depictions_Of_Violence, Underage
  Category:
      M/M
  Fandom:
      Supernatural
  Relationship:
      Dean_Winchester/Sam_Winchester
  Additional Tags:
      Heavy_gore, murder_fucking, fear_kink, Blood_Play, Serial_Killers_AU,
      Minor_Character_Death, Implied_Underage, Sadism, Torture
  Stats:
      Published: 2017-11-19 Words: 2467
****** Kill For Me ******
by BabyBat_(demonprincess7)
Summary
     Just when Dean was feeling on top of the world it all came crashing
     down. He and Sam were finally a couple or as much of a couple as one
     can be with their brother, but now Sam was bringing home a girl. Dean
     would do anything that Sam asked for them to be together. He didn't
     need some dumb girl. Luckily or unluckily for Dean, she was nothing
     more than a prop in Sam's twisted game.
Notes
     Did you see the HEAVY GORE tag, because it's worth noting.
     Also quick disclaimer, this is not a depiction of a healthy
     relationship. Don't manipulate people into killing for you. Not cool.
     Totally and completely inspired by Kill4Me by Marilyn Manson.
“Just us. You and me, Sammy.”
“Yeah, Dean.”
“No girls. No guys. Just us two.”
“Yeah, Dean. I mean it.”
“For real?”
Sammy smiled, then his stood on his toes to kiss his big brother. He'd felt so
small wrapped in Dean's arms.
“I never wanted anybody else but you.”
That's what Sam had said. So why in the name of fuck was Sam walking home from
school with a girl on his arm? He looked back a few times to make sure Dean was
following, but otherwise he was ignoring his brother. The girl kept laughing.
She kept snuggling closer to Sam. If she kept it up, they'd merge into one.
Dean walked with his hands in his pockets and his jaw clenched. There was
practically cartoon smoke coming out of his ears. Why was Sam playing games
with him? He promised they were going to be together and sure Dean knew it was
wrong, but wasn't it just as fucked up for Sam to say something like that and
then just turn his back? Dean's heart was in his hands, but it was tethered to
Sam as surely as the rest of him was. He followed his brother home. The whole
time he felt on the verge of tears.
Dean was glad their father had chosen to rent a trailer just outside of town
because this was going to get loud. He could feel all the things he wanted to
scream at his brother rumbling in his chest. Knowing Sam he'd have plenty to
scream back. Dean felt some satisfaction knowing that if nothing else, they'd
end up scaring the girl off. She wouldn't want to come home with Sam again.
Fucking good riddance.
Sam unlocked the front door and let her in first. He tossed his backpack in
beside the door, said something soft to her, then closed the door still
standing on the outside.
Dean closed in. “What the hell, Sam!”
Sam stepped off the front deck and walked off toward the woods.
“Don't just walk away from me. Hey!” Dean grabbed his brother's shoulder and
spun him around. Sam didn't even look annoyed and it was pissing Dean off all
the more.
“I didn't want Shannon to hear us.”
“Oh the bitch has a name does she? You didn't even give a fuck enough to
introduce us so I wasn't sure.”
“Dean, she's not a bitch. She's a nice girl.”
“Oh, so that's it then. She's the girlfriend and I'm what? Your mistress? Your
side piece?” Dean was starting to sound a bit hysterical even to himself. He
could feel the tears coming.
“Dean, you're my boyfriend,” Sam said calmly.
“Am I?! This isn't what having a boyfriend looks like, Sam! We promised! You
promised! No one but us. So, why the fuck is she here?”
Sam's lips stretched in a sinister grin. Dean couldn't remember ever seeing a
look like that on Sam's face. It was downright damn sadistic.
“Would you kill for me, Dean?”
“What?” Dean stopped dead. It wasn't as if he were really moving before, but
now he froze.
Sam took a step closer. His breath ghosted over Dean's face as he said it
again. “Would you kill for me?”
Dean swallowed. “Yes.” The word hung in the air between them. Dean felt like
the whole forest was listening. “Yeah, of course I would.”
“Anybody? Not just monsters. Anybody.”
Dean looked toward the house. He wondered if Shannon was watching from the
window.
Sam pressed himself against Dean's front. His fingers caressed Dean's cheek
drawing his brother's attention back to his cute teenage face. “Make a
sacrifice for our love.”
Sam was serious. Dean could tell. He'd planned this. He'd waited until just the
right moment. They were tucked away in the woods where no one would hear if
things got noisy. He'd waited to tell Dean how he felt about him. Now he wanted
Dean to prove it to him. Prove how much he loved him. Shannon was a nice girl,
Sam said. She didn't deserve this. But that was the whole point wasn't it? She
wasn't a monster in any sense of the word. What she was though, was an obstacle
standing in between Dean and his brother. If he wanted Sam to keep kissing him
with those sinfully sweet lips, his breathy little gasps, his preciously honest
moans, he had to kill for his brother. If he ever wanted more than that... If
he ever wanted Sam to truly love him... That's what it would take. Sam had said
so little, but Dean knew the hidden meaning behind every word.
He took one look at his brother's face, giant hazel eyes peering up through
thick bangs, and that was it. Dean turned on his heel and marched into the
trailer.
The girl was sitting on the couch inside. She said something. Probably
something like “Where's Sam?” but Dean couldn't hear anything over the sound of
his own heart pounding. He had tunnel vision aiming straight for her throat and
that's where his hands ended up. He squeezed and felt her windpipe start to
give under his hands.
Pure warmth pressed against his back. The sweetest voice he'd ever heard
whispered in his ear. “Look at what you're doing, Dean.” And he did. He could
see her now. Her face was tomato red and starting to purple. Her nails were
tearing the skin off his hands and there was blood, but he felt no pain.
“You're so good to me, Dean.” Sam sounded a little breathless. He was getting
off on it. The only possible response was for Dean to enjoy it too.
A little shiver went through him. Dean moaned, “Sammy.”
“Dean,” Sam said back. “Don't let her die yet.”
Dean's hands released like Sam had said some kind of secret code. The girl
collapsed onto the floor. She wheezed and clenched her throat. Her windpipe was
damaged to a point where she would likely pass out before long, unable to take
in adequate air. Dean wondered if he should have been gentler. Maybe Sam
wouldn't like it if she passed out.
Sam was nuzzling up against Dean's neck. His arms wrapped around his chest.
Dean wondered if it was over. If that was just some kind of test and Sam was
going to let him off the hook.
“I love you so much, Dean.” Sam squeezed his brother in a kind of backwards
hug. “So, I'm gonna ask you again, because I want you to be sure. Would you
kill for me, Dean?” This time when he said it it sounded like dirty talk. Low,
sultry, dripping with arousal. Sam offered his brother a long knife.
Dean took it without hesitation. “Yes.”
He didn't pay any mind to the girl crying and sobbing and trying to crawl away
from them even as he grabbed her by the arm. He dragged her across the floor.
He picked her up by the bicep and set her against the wall, then he took the
knife and pinned her there by the throat. She choked. Her body shuddered. Those
last pulses of life shook her limbs. It was like watching an insect die.
Sam moaned behind him. “Shit, Dean. I can't believe you fucking did it.”
“This is what you wanted, Sammy.”
“Yeah.” He moaned again. “You're so fucking perfect, Dean. I always knew you
were. Now, you're mine.”
Dean spun around and stalked toward his brother. His clothes were spattered
with blood. “And you're fucking mine, Sam.”
He practically pounced on the boy knocking him over onto the floor. He needed
his lips on Sam's like his mouth held the last bit of oxygen in the room. If
his grabbing hands were anything to go by, he clearly felt the same way, but he
wouldn't fucking stop talking.
“I can't believe you- you actually- Dean-” he gasped between kisses. “You
killed her- I asked you to- and you killed her-”
“Yeah, Sammy. Anything for you.” Dean stopped his frantic kisses to make sure
his brother was done blabbing.
“Dean.”
--- 4 Years Later ---
“Happy birthday, Sammy.”
“You kidnapped a detective for my birthday?”
“I caught her taking pictures of us back at the diner. They can't know we were
here until we're gone.”
Sam looked at the tall blonde stretched down the length of their bed. Dean
hadn't allowed her much comfort in the way he bound and gagged her showing just
how much she'd pissed him off. It made Sam smile.
In the last few years, Sam had sprung up taller than his brother and he was
getting to be broader and stronger, too. Neither of them had any complaints to
be made. Especially at times like this as Sam grabbed his brother by the
leather jacket and threw him down beside the panicked detective. They were
spurred on by her muffled screams as they shared a violent kiss.
Sam paused, cutting his eyes at the woman. “Do we have time before they track
her down?”
“I took her cell phone down to the bus station and slipped into the pocket of
someone heading out west. When they notice her missing, they'll try tracking
her phone and end up very far from where they're going to find her body.” Dean
smiled, obviously very pleased with himself.
Sam moaned. “So, we have time then.”
“All the time in the world.”
“Good. Because I want to fuck you while you kill her for me.”
Dean grinned. His brother's sadism had become contagious over the years.
“Anything you want, Sammy.”
Sam reached into Dean's coat pocket and pulled out the gold handled switch
blade they'd bought to commemorate their first kill. He pressed it into Dean's
hand with a sinister smile. Then, he shoved the jacket down Dean's arms. Dean's
clothes came off slowly, one article at a time. Sam liked to drag things out.
He liked to listen to the terrified whimpers of their victims as frantic
fearful thoughts swarmed their minds. He liked to taste the panic in the air.
Sam placed delicate kisses along the column of Dean's neck. “This is the best
birthday present.”
“Better than a Los Vegas strip show?”
Sam laughed. “So much better.” He nipped Dean's bottom lip. “I want you on top
of her.”
Dean got in position like he was told. The detective thrashed, but only served
to damage her own wrists. She was screaming, eyes wide and throat hoarse. Sam
crawled up behind his brother and Dean could feel that hard on at his back
twitch. Sam let her scream a moment longer before he shushed her, pressing a
finger to her lips. The woman sobbed, but stopped her screaming and thrashing
long enough to listen.
“Relax, we aren't going to rape you. We don't do that.” She whimpered. Her
entire body trembled. “We are going to hurt you, though.” Sam wrapped his arms
around Dean's chest. He was rutting against his ass and Dean knew he was
getting off on watching her cry. Sam moaned into his brother's ear.
Dean flipped open his knife. Sam buried his face in his brother's shoulder.
Dean smiled to himself, enjoying what an excited puppy his brother could be. He
waited until he knew Sam was watching, then placed the blade gently against the
skin between her collarbones. He pressed the blade into the skin and dragged it
down slowly at an angle, ended below the left breast. Sam's fingers dug into
his skin as he shook.
“Deeper,” Sam breathed and Dean pushed the knife in deeper. He dragged it down
the woman's rib cage making a single clean line. Blood gushed to the surface
then began to slow. The detective's eyes rolled back in her head.
The sharp sound of a slap was almost startling as it broke the melodious sounds
of moaning. Sam's palm struck the side of the detective's face stopping her
from fainting. Dean's own cock was throbbing in the face of Sam's cruelty. It
wasn't fun for him if they didn't feel every second of it.
Sam's hand slid down from the woman's face to her chest. He swiped his hand
through the pool of blood on her skin. Dean shivered knowing where that blood
was going. Sam had his own way of taking trophies that other serial killers
couldn't rival. Sticky wet fingers found Dean's entrance. He shifted his
position to give Sam more room and relaxed letting two fingers slip inside.
Sam's hand came back for more to coat Dean's insides with living blood. Once
there was enough blood, Sam's fingers came out to be replaced with his cock.
Dean's knife hand slipped as he was filled, making a shallow cut across the
stomach.
Sam's finger's latched onto Dean's hips. He fucked him slow and deep leaving
Dean room to keep cutting without slipping again.
“More,” Sam ordered.
Dean held the knife steadily again. First, he made a cut across her cheek,
marking where Sam's hand had been. Then, lower, cutting through the muscles of
her abdomen. Sam was losing self control as he watched his brother work. His
hand wrapped around Dean's cock making sure to stroke it with plenty of blood.
Neither of them was going to last much longer.
He made a much deeper cut than before, cutting straight down through each layer
of skin, then across making a deep gash above the liver. She would bleed out
soon. Watching them died always tipped Sam over the edge. Though, he was
surprised when Sam took the knife from his hand.
Then, Sam took Dean's hand in his, palm to back. He guided his hand down under
the woman's skin through the cut above her liver. They pushed up under her ribs
and between her lungs where they grasped her still beating heart in their
hands. It was weak and struggling, barely holding on. Hands wrapped around a
human heart they each came as Sam closed Dean's fist, squeezing the muscle
until it was crushed in their grasp.
The pair disentangled themselves and looked at the mess they made.
“Well, Sammy,” Dean said. “I think today is the day we add arson to our
resumes.”
“I think you mean our rap sheets.”
Dean shrugged. “Same thing.”
“Let's do it tomorrow.” Sam wrapped his brother in a backwards hug and pulled
them down onto their sides on the bed. “I'm tired.”
“It's gonna stink.”
“A quick nap.”
“Dude, there's about to be so much more than blood in this bed.”
Sam groaned. “You don't have to be pretty and smart.”
“Well, it's your birthday so it's up to you if you want to sleep here or not.”
Sam sighed. “Shower first, then arson.”
Dean turned and kissed his brother. “You got it. Happy Birthday, baby.”
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