Tenpou Ibun: Ayakashi Ayashi
English title: Ghost Slayers Ayashi
Japanese title: 天保異聞 妖奇士
Alternative titles: Tenpouibun Ayakashiayashi, Strange Story of Tempou Era: Ayakashiayashi
Type: TV
Source: Original
Episodes: 25
Status: Finished Airing
Aired: Oct 7, 2006 to Mar 31, 2007
Broadcast: Saturdays at 18:00 (JST)
Duration: 23 min per ep
Rating: R - 17+ (violence & profanity)
Studios: Bones
Producers: Aniplex, Mainichi Broadcasting System
Licensors: Bandai Entertainment
Genres: Supernatural
Themes: Historical, Mythology

In the year of Tenpo 14, Yoi, monsters from another world attack Edo. Those who fight against them are members of Bansha Aratemesho. In public, Bansha Aratemsho is known as an organization to study foreign books. In fact, they are a organization dedicated to destroying the Yoi. These warriors are called Ayakashi. They gather information of odd events in the country, and are sent to destroy Yoi who appear. They are generally very strange people. For example, a guy who has lost his memory, a girl who dresses like a man. They have special powers with which to beat the Yoi.

(Source: AniDB)