Doom Satsujin Keisatsukan no Danzairoku

Dan Hiroki, the Chief of the Tokyo Metropolitan Police Department's 1st Investigation Division. An elite among elites with a brilliant career, his hidden face is that of a serial killer who enacts vigilante justice upon sinful villains.

This is the second official spin-off of "Trace: Reminiscences of a Forensic Scientist." The devil's pleasurable record of condemnation, preying on the wicked, begins.

(Source: Comic Zenon, translated)