Voice Actress: Julie Ann Taylor (https://youtu.be/O0MhPvcjvO4)

Heir of the Yayoi family, a member of the Duodecim, wielder of the Sealed Armament: Izayoi, and a soldier of the World Void Information Control Organization’s Magic Formula Troops. a serious, mature, and intelligent person. She has always followed her orders from the Control Organization and has complete faith in them (likely to honor her family name). She has always had a childhood crush on Jin, and deeply loves and cares about him. She was also good friends with Noel, Makoto and Carl Clover when they were at Military Academy.

Upon awakening the true form of the Sealed Armament: Izayoi, she became an incredibly powerful being who is the sole person able to kill Observers. As well as this, her Immortal Breaker ability is capable of killing any immortal being due to the fact that the Sealed Armament was designed to target Observers. Her weapon is a prototype of a Murakumo Unit, an Anti-Observer Armament. Replacing the shield and sword is a halberd with an energy blade, whose length can be altered for single powerful strikes and is even capable of teleporting in the same fashion as the Murakumo Units. The shields on her waist can open up in a winged formation to reveal thrusters, enabling flight.