Sam and Dean Winchester x little sister!reader
Synopsis: A few times your big brother Dean scares you.
Your big brother Dean would do anything for you, you knew that. He’d practically raised you, taking care of you when John wasn’t able to. He loved you and Sam more than anything, and you felt the same way about him.
But that didn’t change the fact that sometimes, Dean scared you.
You were hunkered down in the back of the Impala while Sam and Dean yelled at each other outside about their new buddy, Gordon.
You didn’t like Gordon, he freaked you out. And while Dean seemed to trust him completely, Sam was more on your side; hence their argument.
You couldn’t hear what they were saying, and you honestly didn’t care that much. That is, until Dean reared back his fist and punched Sam square in the face.
You scrambled to get out of the car before you noticed that Sam didn’t try to reciprocate. They exchanged a few more heated words before finally heading towards the Impala.
You were quiet that night, even after the vampires and Gordon had been taken care of. Your mind replayed the image of Dean punching your brother over and over again.
You felt ridiculous, lingering over something that even Sam seemed to have forgotten. But you couldn’t help but imagine that kind of anger directed at you. If he hit Sam—the brother that had been inseparable to him since basically birth—what did that mean for the others around him?
“Hey kid,” Dean’s voice startled you out of your thoughts. “I’m going for a supply run, wanna come with?”
“N-no I’m good,” you cursed the stutter that came out and forced yourself to calm down. You were only freaked because you’d been thinking about the punch, not because you were actually scared of Dean…
Your thoughts had once again distracted you, so when Dean made his next move you did something unexpected.
Dean raised a hand to run it through his hair, and your body reacted instinctively, following your current state of mind. You visibly flinched back, away from Dean, and it didn’t go unnoticed. Both Dean and Sam—who had looked up to watch the exchange at the wrong moment—noticed your reaction, and they responded in very different ways.
Dean seemed to freeze, his brows drawing together. Sam on the other hand reacted immediately, standing and taking Baby’s keys from Dean’s hand.
“Actually, I’ll go on the supply run. I need some air anyway, you two hang out here.”
He was gone before either sibling could protest.
The silence stretched on for several long minutes before you realized the problem. You were waiting for Dean to bring up what had happened, and he was waiting for you to bring it up. Considering how stubborn you both were, this could go on forever, so you decided to speak first.
“Is that why you…” you dropped your gaze to your hands when Dean trailed off. “Hey,” he knelt beside the bed you were sitting on, his face flooding your vision. “C’mon, use your words.”
“Don’t you do that,” Dean demanded, his hand coming up to your shoulder. “Don’t be scared of me, not you. Not ever, I-I can’t…” Dean swallowed. “Don’t you ever be scared of me. I would never hurt you.”
“You hit Sam,” you argued.
“Sam’s different,” he insisted.
“Well for one, Sam’s not a kid, ok? He’s bigger than me, he can take a hit.”
When you didn’t respond, he sighed.
“Look, I shouldn’t have hit Sam, ok? But things are going on right now, things I’d rather not explain. But I promise you, I’m never gonna hurt you. Can you just trust me on that?”
“Ok,” you muttered. I can do that.”
You were huddled on Bobby’s couch, your knees curled up to your chest as you pretended not to hear the sounds coming from downstairs.
Your big brothers had caught a demon that could lead them to Crowley, and unfortunately he didn’t feel like talking.
Dean had managed to get a few words out of the guy, so Sam and Bobby were following up on that lead, but it wasn’t enough.
You were so wound up that when your phone rang you nearly fell off the couch. You answered when you saw Sam’s name on the screen.
“Not quite,” Sam sighed. “I need to talk to Dean, but he left his phone here in the Impala. Can you get him?”
“You-you want me to…” you swallowed down the protest that you desperately wanted to make. “Um, ok, I’ll-I’ll go get him.”
You put Sam on mute as you padded down the stairs towards the sound of the demon screaming.
You hesitated at the bottom of the stairs, your body unwilling to move forwards. Frozen to the spot, you were forced to take in the scene in front of you. Dean, a knife glinting in his hands, had blood running down his arms and splattered on his shirt.
The demon was strapped down to a chair on top of a devil’s trap, bleeding from various cuts, his face steaming from the holy water Dean had just dumped on him.
But worse than the gruesome scene in front of you was the twisted smirk on Dean’s face as he splashed holy water onto his knife and sliced into the demon’s arm, causing more screaming. As soon as the screams died down, you were about to make your presence known when the demon suddenly caught sight of you. His wicked grin alerted Dean, and he turned to see what the demon was looking at.
Your breath caught in your throat as you took an unconscious step back. Upon seeing you, Dean’s features softened almost instantly, but that didn’t take away what you’d seen. His mouth was still twisted in that awful grin, and to have it directed at you was even worse. The scariest thing though, was his eyes. They weren’t angry, which would’ve been scary enough.
There was a cool, harsh indifference in his eyes, as though he could just as easily shake your hand as cut off your head.
But when he saw you, a light seemed to enter his eyes, and the smirk dropped, but the ghost of those twisted featured lingered.
“You shouldn’t be down here,” Dean muttered as he stepped close to you.
“Sa-Sammy called,” you mumbled nervously, holding up the phone.
Dean snatched up a wet rag from a metal table next to him, wiping some of the blood off his hands and taking your phone, but not before noticing how your outstretched hand was shaking. He followed your gaze to the demon behind him, who was watching your exchange with that awful grin on his face. When Dean turned back to you, though, he saw that you were now looking at him.
He couldn’t decide whether the terror in your eyes was because of him, or the demon.
Dean leaned down and kissed the top of your head. “Go back upstairs.”
You gripped onto his arm, trying desperately to find comfort in the familiar gesture.
When he pulled away, you looked up into his eyes, trying to erase the memory of what you’d seen there.
“Don’t,” you were surprised at the strain in Dean’s voice. “Don’t look at me like that. Not you.”
You didn’t have to ask what he meant. You lurched forward suddenly, wrapping your arms around your big brother, ignoring the blood on his jacket. He reciprocated, and the feeling of his strong arms around you abated your fear. It didn’t matter what he’d done to that demon, Dean was still just Dean.
“Alright, I’m gonna go in. You wait here.”
“Are you insane?” You scoffed as Sam stepped out of the car. “It’s Dean, I’m coming.”
“We don’t know what he is right now, so no, you’re not.”
“You saw the black eyes, Y/N. It’s not just Dean anymore. Now I mean it, stay in the car, I’ll be out with him soon.”
As Sam closed his door and walked into the bar, you reached down to unbuckle your seat belt.
“If you wanted me to stay away, you should’ve left me at the bunker.”
You couldn’t help it. When you saw Dean for the first time in months, your body grew a mind of its own.
“Dean!” Your features lifted in a grin as you rushed towards your big brother. All the air left your body in a huff when Sam’s arm shot out to stop you, wrapping around your waist.
“What’s the matter, Sammy?” Dean smirked. “Don’t trust me?”
That was when you really took in the scene. Dean looked…different. Like, not Dean. It wasn’t the same as when you’d seen him torturing that demon, it wasn’t just a coldness or a harshness, it was a different person.
But what stood out to you more was Sam. His arm was tight around you, before he maneuvered you behind him. His whole body was between you and Dean, one hand on your arm to be sure you were there, and the other just slightly jutting out in front of him. You knew that stance well; it was his Protective Mode, for whenever he thought there was an imminent, real danger.
And he was using it to keep you away from Dean. That scared you more than anything.
“Go back outside,” Sam ignored Dean’s remark, speaking to you but not taking his eyes off Dean.
“You shouldn’t have brought her here, Sammy,” Dean scoffed. “You know she can never resist her favorite big brother. Even when she was scared of me, she always liked me better than you.”
“Dean stop it,” you stepped around Sam, but he grabbed your arms and held you back.
“Y/N go outside,” Sam grunted.
“Dean, just come home with us,” you stopped fighting Sam, but kept your gaze on Dean.
“My home isn’t with you anymore, baby,” you nearly cringed when Dean’s favorite nickname for you came out in a way that was so obviously not Dean. “Now listen to Sammy so the grown ups can talk.”
“Hey,” you were suddenly jerked around as Sam twisted you to face him. “I need you to go.”
Nothing less than the absolute terror on Sam’s face would’ve made you relent, but relent you did.
“I want you to stay out of there until this is over,” Sam stared you down.
“We’re gonna fix it, ok?” Sam sighed. “We’ve got the blood and everything, I just need you to stay away from him until it’s done.”
You nodded up at him, and he disappeared into the bunker’s dungeon.
With nothing to do, you found yourself wandering into Dean’s bedroom. You’d been doing that a lot since he’d left, finding the space comforting, as it was so very Dean.
However today was not a day that you would find comfort here. You’d been waiting in there for only an hour or so when you heard it. Or rather, him.
“Come on, Sammy! Don’t you wanna see your big brother?”
Your blood ran cold as you heard Dean’s not-so-subtle approach come closer and closer to you. What was he doing?
You didn’t have much time to wonder, because the footsteps echoing through the hall suddenly stopped outside your door.
What was he doing? If he didn’t want to be here, why didn’t he just leave?
You shouldn’t have stopped to wonder, but you’d promised yourself a long time ago that you’d always trust Dean, so the possibilities of what he really wanted hadn’t even crossed your mind when the door suddenly flew open.
Dean stood there, a hammer gripped in his hand as he stepped inside his old room.
“Hey little sister,” a sickening smirk spread across his face. “I was expecting Sammy, but I suppose I can take care of you first.”
Before you knew what was happening, you were flat on your back, the flat top of the hammer pressed against your throat.
You gasped for a breath, and were horrified when no air came through.
“St-st-st-“ it was no use, you couldn’t speak.
“What was that?” Suddenly the pressure on your neck lessened, but the hammer still was still touching your neck, like some kind of sick reminder that he could cut your air off again at any time.
“If you wanna leave, just leave,” you whimpered.
“Oh baby, I don’t wanna leave. Not yet. See, after what he tried to do to me, Sam’s as good as dead. But first, I’m gonna show him exactly where pissing me off gets him.”
“M-meaning?” You weren’t sure you wanted to know.
“Meaning you’re going first. But before that, you’re gonna get Sammy over here so he can watch.”
Your eyes drifted to your pocket where your phone was.
“Oh no baby, you won’t need that to get him here,” Dean leaned back, lifting the hammer.
“De-“ your plea broke off in a shriek when the blunt object slammed down on your hand. White hot pain shot up you arm, and the edges of your vision started to go fuzzy, black tinging the corners.
“Hey!” A harsh slap across your face brought focus back to your eyes. “Don’t you pass out on me baby, I want Sam to hear you scream.”
“Please,” you sobbed. “Dean, don’t do this to me. Not you. Don’t you do this. Not you, please!”
“Hey Sammy,” Dean didn’t even turn around at the sound of Sam’s voice.
“Dean, get away from her,” you craned your neck to see Sam standing in the doorway, the demon blade clutched in his hand.
“Or what? You gonna kill me, Sammy?” Dean kept his eyes on you as he spoke to Sam, a cocky grin splitting his face. “I don’t think you have it in you.”
Sam took a half step forwards, but stopped when Dean raised the hammer, barely sparing a glance at Sam
“Uh-uh. I can bring this down on her skull faster than you can reach me, and you know I will.”
“Ok, ok,” Sam lowered the knife as he sidestepped further into the room and into Dean’s line of sight. “Just let her go man. This is between you and me.”
“I don’t think so, Sammy. You brought her into this, and now I want you to watch her die.”
“Dean,” you grabbed onto Dean’s arm, once again gaining his attention. “Dean you don’t have to do this. Come on, it’s me, you-you can’t…” you shake your head. “Th-this isn’t you, you wouldn’t do this.”
“Oh baby it is me,” you whimpered as Dean leaned down to whisper in your ear. “And you should’ve stayed scared of me.”
Dean twisted the hammer in his hand, raising it up for the fatal blow.
You closed your eyes, blocking out the vision of Dean’s pit-black eyes as you waited for the blow.
You kept your eyes closed until you heard Dean cry out, and suddenly his weight was lifted off you. You looked up to see Castiel dragging Dean back, who was fighting tooth-and-nail, a horrible screeching-like scream coming from him.
“It’s over,” Castiel grunted. “It’s over.”
Once Dean was secured back in the dungeon, Castiel healed your broken hand before going to help Sam in curing Dean.
As soon as he was clean and out of the dungeon, you didn’t waste a second, running into his waiting arms.
“I’m so sorry, baby,” he breathed.
“No, no it’s not,” he insisted, pulling away. “It’s…it was…” Dean lowered his gaze, unable to look you in the eye.
Not having it, you ducked your head lower so that your face flooded his vision, and he finally met your gaze again.
“Not you. It was not you.”
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