Brooklyn Lucille Severide is the younger sister of Kelly Severide, a lieutenant on squad 3. Brooke is a diligent, hard working, and friendly person who works hard as a detective in the intelligence unit. She has often been put undercover, and she is great at feeling into any role. Her undercover jobs vary from lasting a few minutes to a few months. Kelly hates that she works a dangerous job as he is very worried and hates not knowing if she'll make it home, however, he is very proud of her little sister. A One Chicago Fan Fiction ------------------- Achievements (and when the story got them) 28th in #brooke (out of 2.13k) - 27/03/2024