Mato Kujō

Mato Kujō is a former member of Old Border who now lives as a civilian.

Appearance
In the picture found by Osamu, Mato appeared to be a young woman with dark-colored twin-tail hair that rested over both of her shoulders. She is also seen wearing a light-colored long-sleeved t-shirt and dark-colored pants.

Personality
Not much is known about her personality.

Background
At a certain point in time before the start of the series, she joined Old Border. It is unknown whether she participated in the mission around five years ago which killed ten of her friends. Sometime after the incident, she decided to leave and resume civilian life.

B-Rank Wars Arc
When asked by Osamu about the current whereabouts of the members of Old Border, Yuri points Mato out and mentions that she has since left Border and currently lives a civilian life.