It is the year Tenpo 14, Youi appear in beautiful Edo. Bringing justice and slaying these unwelcome visitors in secrecy is a group or unusual characters running a clandestine operation . . . The Office of Barbarian Knowledge Enforcement. Those who have forsaken everything and gathered to bring down these fiends are called Ayashi. (Source: Bandai)
Background
Tenpou Ibun Ayakashi Ayashi was published in English as Ghost Slayers Ayashi by Bandai Entertainment from September 1, 2008 to December 15, 2008.