Kuroda is a police investigator with a special talent for sniffing out corpses -- literally -- due to a traumatic event in his childhood where... more>> he was trapped in a room with his deceased family members for several days. After being assigned to the Missing Persons Division where they hope to make the best use of his ability, he meets a genius detective with an unbelievably high case closure rate. <<less

In a country very much like present-day Japan, governed by an emperor who rules with an iron fist, a dark disease known as "BT" is spreading out-of-control. All those infected with BT will be overtaken by an insatiable desire to kill.... more>>

The emperor charges a group of skilled men with the responsibility of eliminating all "BT carriers." Among them are two brothers with cursed blood running through their veins. Though they appear fearless, there is one thing even they seem to dread: the Yomizakura, a mark of death which serves as a chain binding them to their traumatic childhoods. <<less

Metropolitan Police Department, First Investigative Division, Eighth Criminal Investigation Unit - also known as “The Eighth” - is an elite group serving as both a suppression and execution force that was created in order to solve vicious and unusual crimes.... more>>

Serving in this unit is Chigira Hinato, the officer who has the highest arrest rate...in sharp contrast with his clueless demeanour. Halcyon is the story of this man. <<less