The talented doctor living near Hakufu's place. He takes care of her many times when she gets injured after battles. He is also responsible for making the talisman-enchanted eyepatches for sealing in Ryomou's dragon.

Hakufu's dreams of participating in new fights and tournaments are put on hold as new obstacles block her path. Her friends have lost faith in her, new enemies appear, and a younger sister she never knew existed suddenly shows up on her doorstep. If Hakufu ever hopes to compete worldwide, she's going to have to deal with her issues at home first. 
(Source: FUNimation)

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Life gets crazy for Hakufu when she takes on a pupil that acts just like her! A tournament between the school heads start, but due to Hakufu's negligence, her pupil ends up taking her place. The tournament isn't what it seems, and the girls find themselves in the middle of a plot to take over the clans. 
(Source: FUNimation)

Sealed in ancient jewels are the spirits of the heroes who tried and failed to unite China in the Three Kingdoms era. These jewels have been scattered throughout Japan, and have the power to draw out the full potential of those who inherit them. However, those owners, known as Toushi, are possessed with an insatiable appetite for battle. Hakufu Sonsaku is one such Toushi. Living in the country, Hakufu's desire to beat something to a pulp goes unfulfilled until her mother tells her to go to Tokyo, where she starts training with other Toushi and sets foot on the path to her destiny. 
(Source: Tokyopop)

Genka Kada