|Home||Western Mansion, West Forest, Airantou|
|Spouse||Kiyomasa - Husband|
|Children||Chikage - Daughter|
|Siblings||Kokoro - Twin Sister|
|Other Relatives||Hanzou - Brother-in-law
|Manga||Chapter 11: Invited|
Shizuka is the wife of Kiyomasa and mother of Chikage. She's a former ninja who still uses her abilities as her alter ego, Beniyasha. She goes by the pen name Shizumaru as the author of the "Mystery Man: Beniyasha" series.
She has long hair which she keeps in a ponytail. When she was younger she had shorter hair and kept it in a smaller ponytail.
- When she first appeared in Chapter 11, she was just known as "mama Chikage".