I started to read this manga today
(only one chapter is out...)
here are the facts:
-author: Fujimoto Shinta
-genre: action, sci-fi, shounen
CONTENT:
From: Easy Going Scans When the Raven starts to sing, people die... An unstable world, a weak government... and Mafia's escaping from their sins... In order to reduce unpunished crimes committed by the mafia... A Strength was born... Its agents are merciless and they kill withought hesitation. The Last Enforcement Organization known as Red Raven.