In which a shy, unnoticed Gryffindor befriends the golden trio. Together, finding out the true secrets of the supposedly murderous, Sirius Black... {Book one} {Prisoner of Azkaban} {Harry Potter x OC} Warning for fellow new readers; although I am super proud of this book, it was my first proper attempt to write fanfiction so some parts are a bit cringe, but hopefully you can excuse that and still enjoy it!

Alison Severide is the twin sister of Kelly Severide. Being a firefighter is in their blood. And being a female firefighter hasn't been easy. Once they became friends with the police department Alison instantly fell for Detective Jay Halstead. They had a connection but there was only one thing, Jay is engaged.

Emily Hayes, a former Army sergeant turned firefighter, arrives at Firehouse 51 in Chicago ready to prove herself. Tough, independent, and resilient, she quickly earns the respect of her fellow firefighters. But it's two men-Matt Casey and Kelly Severide-who begin to notice her in different ways. Casey, the steady and reliable captain, is drawn to Emily's calm professionalism, while Severide, the charismatic lieutenant of Truck 81, is intrigued by the mystery behind her tough exterior. As Emily navigates her new life in the firehouse, she finds herself torn between two men: one who represents stability and the other, passion. As sparks fly between them, Emily must decide whether to pursue the connection growing between them or keep her heart guarded. Emily faces the heat of not only her dangerous job but also the intense pull between two men who could change her life forever.

Kendra Parker is 27. She is a firefighter at 51. She has been for the last year and a half. She works on squad. Her and Kelly are close. For the last three years she's been seeing Antonio Dawson. Their happy together. She has history with Hank Voight. Hank adopted her when she was 11 because her mom died and her dad was abusing her. At this point intelligence isn't a thing and Voights in jail. Kendra hasn't said much about Voight to Antonio. When ever Hanks name comes up she doesn't talk. The only person that knows is Severide. Her best friends are Gabby, Erin, Kim, Severide, Mills, Capp, Casey, April, and Natalie.

Standing by her door He thumped the door. "Voight you in there" He shouted. No answer. "Right I'm done messing" Hank sighed before shoulder barging the door taking it off the hinges. "Chicago P.D" He shouted through the house. "Clear" Lindsay shouted. Walking into the living room with his gun raised he chocked back tears. The place was smashed, there was obvious a struggle. "Hold up guys I got blood" He shouted. Voight and Ruzek go way bank. A friendship that had formed in the kindergarten playground had stood the test of time so far. Through getting through police academy to the daily life in intelligence. Their friendship was fire. But since the day Heather Voight was kidnapped. Adam Ruzek started to question whether he should come clean about his feelings.

After a year of being with the NYPD Sophia Rodriguez Voight is getting transferred to the intelligence unit. As excited she is to work with her father she soon starts to fall for the one and only Jay Halstead. But will her emotions for him put the team at risk? Or will being in the unit prove too much for Sophia? I do not own Chicago PD, Chicago Med, Chicago Fire, Law and Order SVU. I do not own any of the characters associated with these shows. I only own my characters.

My Name is Brooklyn Ziva and I was transferred to firehouse 51. Soon after getting there someone caught my eye but I couldn't get involved...

For Ava Ellis , Firehouse 51 isn't just her dream-it's her destiny. After losing her family in a devastating fire as a child, Ava was saved by a firefighter whose bravery left an indelible mark. Now, at 18, she's stepping into the world of Truck 81, determined to honor her family's memory and turn her pain into purpose. But the past doesn't stay buried. Each call stirs haunting memories, and working alongside Kelly Severide-the man who once saved her-forces Ava to confront emotions she thought she'd left behind. As she navigates the high-stakes world of firefighting, Ava must prove her worth to the legendary crew of Firehouse 51 and herself. In a life where danger is always near and every second counts, will Ava rise above the smoke of her past-or be consumed by it?

Emily's is Casey's younger sister. The last time she saw him was 5 years ago when she was 14. Now she's 20 and joining the 51 truck squad with her brother. The only character that belongs to me is Emily Casey. The rest belong to Chicago fire.

Hannah Karev had never been good at hiding or talking about her emotions. So instead of exploding on an already explosive situation, she does the only thing she knows how. Runs. And she eventually finds herself in the city of Chicago.