(You and Isagi are 25 in this AU)

(you're a detective with your partner in crime Isagi yoichi solving cases...there's a dangerous case that has been going on for years now and a lot of detectives died but they had information...Mafias)

You were in their secret base but when you were in the main lobby someone click their gun and aim at your head behind you...no one was behind you other than...Isagi your partner in crime.