An Undercover Investigation, That Will Never End Until You Obey… The Subject: Codename: Sakura Minami Shiratori.

Illegal transactions, money laundering, tax evasion ... 202X. Authorities have set up a secret investigative body to combat the growing organized crime. Undercover investigators are allowed to infiltrate by their own will. … But that responsibility was also taken. There is no support from the authorities, even if they are captured by the enemy and criminalized. That is the fate of undercover investigators.