Himeko Murata (無量塔 姫子)

At the age of 21, Murata Himeko had just obtained her Ph.D from the California Institute of Technology. She had originally dreamed of following her father's path as a scientist, lost everything because of the Houkai.

In order to investigate the truth about her father's death, Himeko accepted the invitation of Theresa Apocalypse and joined the Valkyrie forces of St. Freya High School the following year.