Reader x Jean Kirstein Detective AU. Inspired by the sitcom Brooklyn Nine-Nine. All characters belong to Hajime Isayma apart from a few OCs. Ever since you were a kid, you always wanted to be a detective just like your Father. He was your inspiration, your only guiding light after your mother left when you were very young. So, after the loss of your father due to a shootout that occurred, it was motivation to be like the amazing person that he was. You joined the policing academy, where you trained and then graduated. You joined the police force and started at the bottom but you quickly made your way to detective. You met the rest of your squad and not only did they become your colleagues but your friends. But there was one which caught your eye from the beginning. Jean Kirstein. Your first opinion of him quickly changed as he showed his cocky and egotistical side. You butted heads constantly and you agreed upon a bet on who could make the most arrests in six months. If he was to win, he would take you on "the worst date" ever. Little did you know that would turn into something more serious between the two of you? warning ⚠️ : contains mature themes, such as violence, death, mental illness, alcoholism, drug use, sexual themes etc.