Kousonsan Hakukei

Anime version A small feudal lord who wishes to protect her people from a recent rise of banditry. A noble person who loves her white horses. In Shin Koihime Mus it is revealed that she is a childhood friend of Rybi Gentoku the real one and that she manage to gained possession of the latters stolen sword before pawning it off to Ensh in exchange for food and support for her people much to her regret she eventually recognized the swords scabbard from their time as children. She accompany Rybi to try to get the sword back from Ensh but despite finding out Ensh no longer has the sword Ensh decides to cancel Ksonsan debt to her as compensation. Visual novel version A feudal lord who initially serves under the En faction before allying herself with the Shu faction. She has a greater role in Shin Koihime Mus. Source: Wikipedia