Shuu Ogata (緒方 シュウ)

Age: In his 20s
Birthday: September 2
Blood Type: O

He runs a company called I&S which aims to exterminate demons in Bayron City. He is assisted by the mysterious Kisara. Ayano, the daughter of his former boss, is his ex-girlfriend. He doesn't have much money.

His entire family disappeared prior to the events of the series and are presumed to be dead.

(Source: Official Site)