Chikagi Katsuragi is a student attending Kagamisaki High School in Mahou Tsukai no Hako. She is one of the mascots of the now defunct TYPEMOON mobile site along with Hibiki Hibino. Chikagis family consists of her father mother and older sister Chidori Katsuragi. In Carnival Phantasm: Chikagi cameos in the 12th episode helping at Ahnenerbe and is seen at the party at the end. The 2013 Hibichika Special of Carnival Phantasm has a large majority of the episode revolving around Chikagi and her partner Hibiki Hibino during another one of their workdays at Ahnenerbe. She acts rather hostile to the people around her except Hibiki. Cellphonesan teases her over various subjects notably the moments when she does not act hostile to which she promptly breaks him.