VA: Mai Nakahara
Yui is a member of the Imperial Royal Guard sworn to protect the Shogun and his family. She possesses a stiff personality and conducts herself according to strict standards, perhaps because her father was a legendary member of the Imperial Royal Guard who participated in developing the TSFs. When the XFJ Project goes into operation she is dispatched to Yukon Base as Imperial Japan’s head of the project.
an extended description!