Asuramaru is a character in the Owari no Seraph anime, where he is a high-ranking possession-type demon of the Black Demon Series. He became Yūichirō Hyakuya's Cursed Gear in the Seraph of the End: Vampire Reign manga when he formed a contract with him. Providing Yūichirō power, Asuramaru as the sword and demon within it would help the boy in his vengeance against vampires. Fanart Seraph of the End cursor pack with Asuramaru anime cursor.