Unfair: The Special (2006)

Unfair: The Special 2006 / アンフェア the Special 2006 / Unfair: Code Breaking

After X comes Y... The suspicious deaths of 5 retired police officers as well as an unexpected message left by Ando provide clues to the death of Yukihara's father 15 years ago. Yukihara decides to investigate further by transferring to the Public Safety Division, where the criminal mastermind, ‟Y-san‟, may still be lurking... -dramawiki