Guren Ichinose is the main protagonist of the Owari no Seraph: Ichinose Guren, Jyuurokusai no Catastrophe series and an important character in the Owari no Seraph series. He is a Lieutenant Colonel of the Japanese Imperial Demon Army and the commanding officer of the Vampire Extermination Unit, Moon Demon Company.
(Source: Owari no Seraph Wikia)
