Juuni Kokuki EP12 - Shadow of the Moon, the Sea of Shadow - The Twelfth Chapter

Yoko has a vision in her sword of the previous ruler of Kei and how she ordered Keiki to kill all women because of her jealousy. This vision does not settle her doubts at all as she starts to wonder if she may do the same and whether or not she would be a good ruler. As she troubles over this, Jyouyuu, Keiki's hinman, leaves her body and tells her that he has witnessed and felt everything she has and thinks that she does have what is needed to rule. She goes to Heki's (the teacher) house and finds Sugimoto there. Now that Jyouyuu is no longer in her body, they both fight as normal girls. King Kou arrives and the truth is learned through Yoko's sword of his jealousy of the neighboring kingdoms and his campaign to keep Kei down so that he looks better.