Kazuho Amatatsu, née Yukimi, is a 26-year-old member of the Grey Wolves' Hijutsu Kenkyū-han and Kazuhiko Yukimi's younger sister. She has a medical license and acts as Yoite's personal physician. Despite her license, she is currently working in a sushi restaurant. In the anime adaption, this restaurant is owned by her husband. She defected from the Grey Wolves because the organization attempted to kill Yukimi. She is using her knowledge of the secret art to aid Banten in its extraction.
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