Miyuki Kazamatsuri (風祭真=ミユキ, Kazamatsuri Miyuki) is an Arrancar who was formerly a high-ranking soldier in Sōsuke Aizen's Army; however, after the Winter War, she had defected due to unknown reasons after defeating several of her own brethren and escaping to parts unknown. As of the present day, Miyuki is one of the most powerful Arrancar in existence. It is not known exactly when she ascended to Vasto Lorde level, but it is said that Miyuki became an Vasto Lorde training alone and has surpassed all Arrancar by being the one of the first to utilize Segunda Etapa.