Touka is a mechanic of the Eighty-Sixth Strike Package's 27th Maintenance Company. She is in charge of maintaining the Undertaker along with Guren Akino. She was originally one of Shin and Fido's mechanics in the Eighty-Sixth Sector.
Touka has the golden hair and blue eyes of a Sapphira. She wears the maintenance crew's brusque overalls.