Characters: Kelly Severide x Sibling!Reader
Warnings: Abusive/toxic relationship, injuries, hospital treatment.
Summary: Kelly finds out he should've trusted his gut.
*****
Naturally, whenever you brought a boy home, Kelly played his role as your big brother a little too well, always presenting himself as all macho and scary so boys would back off and never talk to you again.
But Jacob, he was different.
The first time you formally introduced Kelly and Jacob was one night at Molly's. You just finished your shift and Kelly invited you for a free drink, something about not seeing you for weeks now due to firehouse drama.
Kelly like usual was ice cold towards the man and he had a very good reason. The moment he noticed you walking into the bar, the man close behind you, he knew something about him was off.
Maybe it was the way he carried himself, his face permanently looking smug and the callouses, old scars and healing skin on his hands sent immediate alarms.
Of course, in the beginning you were as careful as could be but then a month went, then six and then a year and you and Jacob were still together and dating. But, it was seven months in when everything starting to unfold.
Your shift ran over one night and the ED was understaffed and Maggie said she needed all the nurses she could have, so she asked and without a second thought you accepted, helping through the rush of the multi-vehicle car accident.
You were completely shattered, wanting nothing more than a hot bath and to go to bed, falling into the arms of your boyfriend. Alas, it wasn't that simple.
The veins in his neck were sticking out, his knuckles white from the grip on the bottle of beer yet his face was completely straight, too straight.
No matter how valid your excuses were, he just kept going and long before you knew it, your body went limp into his arms so you wouldn't hit the floor, alerting whoever lived downstairs.
From then on, you made sure to tread very carefully every time you set foot into your shared apartment. You constantly made sure that you were home before it got too late no matter what you were doing.
Eventually, people at work started to realise you weren't being you. Suddenly, you were jittering and flinched at the smallest thing, something you never used to do. You used to be the opposite, nothing scaring you because of the tolerance you built up as a child.
Everyone in the ED was so concerned that they even looped in Dr Charles and Ms Goodwin, the psychiatrist already noticing your unusual behaviour before he was told by your concerned colleagues.
You brushed off all of their concerns, saying you were completely fine and everything was great.
Then, someone snitched. You couldn't confirm who it was but anyone who knew Kelly, which was basically the entire staff, called him and spilled the beans.
From then on, Kelly was always in your ear, constantly asking if you were okay, if you wanted to hang out with him, if you wanted to have dinner and stay the night but you always made excuses. It wasn't like Jacob would let you spend the evening with your brother anyways.
All you wanted was for this nightmare to be over and for it all to go back to normal.
*****
Last night was the worst it's ever been. You lost track of time and when you eventually came to, you felt like the reincarnation of death.
You had been left to bleed out on the floor, still dressed in the clothes you wore when you left work, your shoes still on your feet.
Groaning, mustering up all the energy you had, you pushed yourself up and tried to stay silent, trying to hear if Jacob was home but from the corner of your eyes, you could just about make out the empty shoe rack.
He literally left you to die.
Still disorientated, wincing when your body pulsated in several places, you started cursing yourself out. Why did you let it get so far? You should've left him before the second date when Kelly expressed his hatred for the man.
Your eyes dragged across the room, trying to look for anything you could use to help your situation. Still sitting on the wooden floor, you propped yourself against the armrest of the sofa so you were upright. Taking the tissue box from the coffee table, you used as much as you could before the box was empty, holding the white squares against the parts of you that were bleeding.
But, you ran out and you were still bleeding. Before long, you'd pass out against from blood loss and if no one found you, these were going to be your last moments before dying.
This was the only time you were going to be thankful for Jacob. For some reason, he had the home phone on the table besides the sofa which meant that right behind you, within your reach was a phone.
Stretching backwards, you cried out, your fingers violently shaking as you struggled to grip the phone but you were relentless, grabbing the object with all the might you had left.
Pressing in the numbers of your brothers number, you tried to keep your breathing steady as the phone started ringing. As time went on, everything got more blurry, everything hurt more and the more you wanted to close your eyes and take a quick nap.
Snapping out of your reverie, you inhaled sharply at the voice that suddenly spoke, coming from the phone laying in your grasp.
"Severide." You felt tears fall down your cheeks, your sobs echoing, causing your chest to be in immense pain as your body shook.
"Kelly." You breathed out. Just hearing his voice brought you peace and all of a sudden, everything was perfect and you could go now.
"Y/N?" Kelly said in alarm, not recognising the number on his phone but he knew that voice, not liking how you sounded though. Your cries were loud and clear through the phone and it made his heart clench. "What's wrong? Are you okay?"
His questions brought the common room to a standstill. Everyone was eating brunch, having missed breakfast because of a call. All their eyes watched Kelly who was frozen in his seat, his phone to his ear.
"It was- Jacob's gone." You breathed out, trying to swallow back your tears so you could tell Kelly everything. "He- I'm hurt Kelly."
That was all Kelly needed to hear to know that Jacob did something, he hurt you. Kelly swore he never saw as much red as he did right now. To know that that scumbag lay a finger on you and he inflicted pain onto you, Jacob would be six feet under the next time next time Kelly saw him.
"Okay, I'm on my way Y/N." Kelly said, letting everyone in the room know that they needed to go. It didn't matter if it wasn't an official call because Kelly's little sister needed help and that was the only explanation needed.
*****
Driving at record speed, Kelly ran past the elevator and went up the stairs, going straight to the floor the apartment you shared with Jacob was. On the drive over, you stopped talking to Kelly and all he could think of was the worst.
Courtesy of Jacob, Kelly was denied a key to your place meaning that he had to kick in the door, kicking it repeatedly with his boot till it fell off its hinges.
Despite being unfamiliar with the layout of the apartment, Kelly ran in and felt his heart drop when his eyes found you unconscious up against the sofa.
Dropping to his knees, water building up behind his eyes, Kelly gently placed his fingers on your neck, waiting with bated breath for a pulse; letting out a sigh of relief when it was weak but it was there nonetheless.
"Y/N. Hey, open those eyes for me." Kelly whispered, pushing your hair from sticking on your forehead to behind your ears. He let his eyes scan your body, his own aching upon finding you littered in wounds, bruises and scars, some of which will permanently scar your skin.
Your groan was just about audible, Kelly's head snapping towards your head. A smile graced his lips when your eyelids fluttered, you were waking up.
"Hey, keep those pretty eyes open for me." Kelly begged you, your hand in his when Sylvie and Gabby finally entered the apartment. And your hand would stay with his until he was forced away by your colleagues at Med when you were taken to surgery.
*****
Your senses slowly came back, one by one. You easily recognised the smell, the sounds and the material of the blanket sitting on your lap and the bed you lay on.
Swallowing back a groan, you felt the needles poking in your skin. Peeling your eyes open, you blinked away any tiredness and scanned the room.
The room was dimly lit, the lights turned down so no ones sleep was going to be disturbed. Trying to move your fingers, one hand was connected to a bunch of needles and monitors while the other was being clutched in a warm hand.
Following the hand, your smiled at the salt and pepper hair. Kelly's head resting on your bed and he finally slept after god knows how long. He was still dressed in his uniform letting you know he hadn't moved an inch since your arrival.
"Kelly." You whispered, poking his cheek. "Wake up."
With a few more pokes, becoming more forceful as you went on, Kelly sat up in alarm, his eyes wide in confusion. "What, what's wro-" He cut himself off, you being the first thing he looked out.
You could physically see Kelly relax, letting out the biggest sigh of relief to see you awake and talking, way more alert than you were before.
"Gosh kid, you scared me." Kelly said, pressing a kiss to your forehead. All he wanted to do was wrap you up, keep you to himself and never let you go. His job as your older brother was to protect you and he failed.
"Men suck." You said with a slight smile, looking into Kelly's eyes that were identical to yours. "I should've listened to you."
"Don't blame yourself." Kelly shook his head, wanting you to know that you were definitely not to blame. "I should've been more annoying. Should've forced Jacob out and as far away from you."
"Don't blame yourself." You mocked Kelly, scoffing when he started to blame himself, guilt eating him up so much he was nearly drowning.
"Thank you Kelly." Your smile brightened, loving the comfort he brought he with small gestures like he was now, his thumb rubbing against the back of your hand like he used to when you were a kid struggling to sleep.
"No problem kid." Kelly smirked when you frowned, hating that he still called you that even though you were a fully grown, functioning and full time working adult.
"Anything for you."