She is portrayed with red hair and red eyes. A part of the Saint Freya Houkai Fighting Strategy Unit, while also the Valkyrja Squad Fifth Platoon Commander-in-chief, with the rank of Lieutenant Commander.
Due to not having the resistance against the Houkai energy at birth, Himeko was forced to have her body transplanted with artificial Stigmata developed by Shicksal, in their “Valkyrja” project, a counter measure to fight against the Houkai. However, as the result of having her body remodeled, plus the side effects from the artificial Stigmata combined with the Houkai Energy taking a toll on her body, it has been declared that she only has one more year to live.
