Kurou Daijuuji is the main protagonist of the Demonbane series, a visual novel and anime blending mecha action with Lovecraftian horror. Originally a down-on-his-luck private detective in Arkham City, Kurou is drawn into a conflict involving ancient tomes and powerful sorcery. Upon meeting the sentient grimoire Al Azif, he becomes the pilot of the mighty robot Demonbane. Kurou's journey centers on protecting the city and uncovering the mysteries behind the supernatural threats he faces.