Ichinose, Guren

Namanari

Age: 24 · Birthday: August 28, 1996 · Height: 183 cm (6'0") · Weight: 65 kg (143 lb) · Blood type: O · Rank: Lieutenant Colonel · Section: Moon Demon Squad · Affiliation: Japanese Imperial Demon Army · Demon Weapon Series: Black Demon · Demon: Mahiru-no-Yo

The demon Mahiru-no-Yo was once a human named Mahiru Hiiragi and is the love interest of Guren Ichinose. She was also the next successor to the main house until she turned into a demon.

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)