She didn't know when or how it happened, but she was somehow here; in a devoted relationship with her two lieutenants. After an entire childhood of neglect, Steph really didn't think she would ever find a real family, let alone a relationship where she actually felt loved. And yet here she was... Severide x Halstead!sibling reader x Casey

*~COMPLETE~* Bailey McHolland is back. Her father Randy McHolland also known as Mouch works for The Chicago Fire Department at fire house 51. The whole squad is going to be honored at this year's Fire Department Gala and Mouch's chief called Bailey and suggested she come in for the gala and see her father be rewarded along with the whole squad. Bailey was unsure if she would even be wanted or welcomed back. What Bailey doesn't know is her old crush and fellow firefighter of her father's Kelly Severide was still working at Firehouse 51, she also didn't plan on feelings coming back up to the surface. DISCLAMER: I do not own anyone from Chicago Fire, only my OC. Will contain 18 content.

*One Chicago Fanfic* Katie Severide has only ever known photos of her brother, Lieutenant Kelly Severide. He left when she was 10 and they haven't been in contact since. What happenings when she wants to reconnect with her brother while dealing with a troubled past?

Lily Jacobs is the new paramedic on ambulance 61 with Leslie Shay. On Jacobs first day she catches the eye of the lieutenant Kelly Severide. The only problem is she has a boyfriend. But something about the lieutenant kept drawing her in. Once she finally left her boyfriend and showed up at Shay's and Kelly's, bags in hand, they immediately took her in. The three of them had become close friends. But Lily was carrying around a secret. Something that know would change how her firehouse family would treat her. What happens when the secret gets exposed? Will Kelly walk away from the women he couldn't take his eyes off since she arrived? Will Lily stay in Chicago? *** "Yeah Severide. You can barely entertain one girl let alone two at one time." Shay and Jacob's both laughed.

A week before Andy Darden's death a long time friend and sister of Matt Casey begins her job on Squad 3 working under the charming Kelly Severide. Will she fall for him or is it forbidden to love your best friend's and your brother's best friend? What will Matt say when he finds out?

It's been 10 years... Jessica was returning to Chicago for her high school reunion. She hadn't spoken to anyone from Chicago since she left the night of graduation. She was now engaged to a big time lawyer in New York and couldn't be happier. She left so many friends behind but she also left behind someone that she thought she would spend forever with. But he broke her heart. When Jessica shows up at the reunion Kelly Severide is shocked. He never expected to see her again. He broke up with her the night she left Chicago because he didn't want to hold her back. He has hated himself since that night. He's happy to see her but he tries to push his feelings for her to the side. Especially since he was engaged to be married. Is this fate or is this what they both need to be able to move on?

Gabriella Dawson is a paramedic at Firehouse 51 who is dating her boyfriend of 10 months Matthew Casey who is a Firefighter. Leslie Shay is a Detective working with the Intelligence Unit and is dating her girlfriend of two years Clarice. When Gabby and Leslie met sparks fly, but will they be able to overcome whatever gets thrown at them? Please Read and Comment!

After moving to back to Chicago, Rain Jacob's comes to work at the firehouse of her old neighbour chief Wallace. Everyone feels like they know her first due to the familiar name but as questions arise on the subject a few of them become curious as to why that is After finding out the secret she's been holding, everyone else in Chicago finds out soon after and it puts her in a very vulnerable position only making her wish it never got out in the first place A romance brewing between Kelly Severide and her creats an escape and happy part in her life that allows rain to be herself in ways she never thought. Especially with someone she works with 🥇#1 firehouse51 🥇#1 CFD #2 Severide #2 onechicago #6 Kellyseveride #7 chicagofire #7 mattcasey #94 Chicago med

Nicole Severide grew up with her older brother Kelly as one of the only people she could trust. Then she started work as a paramedic on Ambulance 61. She rose through the ranks to Paramedic-in-Charge and started dating Lieutenant Matthew Casey of Truck 81. (Seasons 1-7) SeverideXOC!sister CaseyXOC Paramedic!OC Part 2- Family Fire

Detective Logan Rayner, a 24 year old woman from Chicago, Illinois has been in the Special Crimes Unit at the 31st district for a year and a half with her partner, Mark Fuller. One day when she gets called on a case that has to do with a truck filled with dead foreigners she gets reunited with her childhood friend, Lieutenant Kelly Severide from Firehouse 51. From that meet on, Kelly tries to figure out why she stopped talking to him for a year. kelly severide x oc