Rikuson hakugen 7234
Although she is still a student in Nanyo, Hakugen is only seen with Ukitsu and Choukou in the anime. We find out that she was also trained by Choukou. She was the person who found Hakufu unconscious in a river after her battle with Sousou. She visits Ukitsu's grave with Choukou at the end of the series. She now helps Choukou train young toushi.