Character profile
Mutsue Yasuri
鑢六枝Biography
Shichika and Nanami's father, previous master of Kyotouryuu, who died a year prior to the story's events.
Story spoilers
His cause of death is in fact revealed to be Shichika, who murdered him in order to protect Nanami as she was about to be killed out of sympathy due to her condition.
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