She is a prodigy and ace Taimanin, her technique is rumored to be the most destructive, the hard to control "Lightning Art". Yukikaze struggles to use it without her Limiters, which come in the form of Flintlock-like dual pistols. She is part of the influential and respected, Mizuki clan. In the past her mother, used to be a very skilled Taimanin but has gone missing many years ago and her father died a few years later. A woman known for her temperament, as the "Lightning Taimanin". Depending on continuity, she attends Gosha Academy, together with her childhood friend, Rinko and both go on official missions. In TY and TABA, she is a friend of Tatsuro but struggles to push their relationship to the next level.