Hibiki Hibino

Hibiki Hibino (日比乃ひびき, Hibino Hibiki?) is a student attending Kagamisaki High School in Mahou Tsukai no Hako. She is the Holy Scripture Triten (聖典トライテン, Seiten Toraiten?) of Caubac Alcatraz. She is one of the mascots of the now defunct TYPE-MOON mobile site with Chikagi Katsuragi. In Fate Grand Order, along with Chikiagi, they are known as Azumi-no-isora (阿曇磯良), Class Name Alter Ego (アルターエゴ, Arutā Ego?), an Alter Ego-class Pseudo-Servant summoned by Ritsuka Fujimaru in the Grand Orders of Fate/Grand Order.