* First appearance: Battle 192
* Age: 36 (Deceased)
* Type: Dou
* Type: Katsujin Ken
* Martial Arts: Fuurinji Style Martial Arts

Fuurinji Shizuha is the late mother of Fuurinji Miu, the wife to Fuurinji Saiga, and the daughter-in-law to Fuurinji Hayato. Shizuha was a tall fair-skinned woman. Like her daughter, she was slender yet noticeably curvaceous and athletic in built with rather large breasts. She had long dark hair that hung just below her waist.

She has a hime-style hair cut with her bangs were cut in a short fringe that reached cheek length and framed the sides of her face with some strands hanging between her eyes, and thick strands in front of her ears that hung over her shoulders with elegant bands holding them. While part of her hair flowed freely, some of her hair was braided by the nape of her neck and the rest was held in place by a type of spiraling band.

She apparently wore two red hair clips, one that concealed a small knife and the other concealed a lock pick. Normally, Shizuha would wear a long floral kimono. Underneath, she wore a similar tight body outfit to the one that Miu currently wears in most situations. In battle, she would also wear gauntlets and similar armor on her shoulders, outer thighs, and legs up to her knees. Like Miu, her hair turns wild when her Ki explodes.

Shizuha was a kind woman who loved her daughter very much and was not afraid to die protecting her. She, like her daughter, was a very brave and selfless woman, caring for others and willing to do anything for the ones she loved. She fell in love with Saiga and he wished for her hand in marriage and wanted to be together with him.

Shizuha was born into the Kuremisago Clan, a clan with the sole purpose of matching people with the best genes together, even among her clan Shizuha was revered as a person with the most excellent lineage. She met and fell in love with Saiga while on her secluded walks in the mountains.

However, her clan, with their strict views, would never allow her to be with an outsider and feared to place her into the hands of someone too powerful. Saiga from the Fuurinji Clan believed that it should be permissible for people of the Kuremisago to marry outsiders, gaining support from Shizuha and many other Kuremisago. Others decided to ally to their traditional views and with the head of the clan, causing a feud that divided the Kuremisago. Shizuha fought alongside Saiga during the battles between the divided Kuremisago, later marrying him with Hayato's blessings.

Shortly afterwards, she sent a letter to the elder warning him of something urgent, very likely related to her husbands fall into the Satsujin Ken. However, by the time he arrived Shizuha was already killed, seemingly by Saiga himself. Before she died, she left a feather to guide the elder to her daughter, who she hid in the snow.

While not much has been shown of her overall abilities, Shizuha, being a member of the Kuremisago Clan, has shown to have been an extremely powerful fighter. Just being a member and taking down several members of her own clan with Saiga alone is enough to prove her worth as a fighter. Even Hayato, Saiga's father and the Invincible Superman complimented her skills, which is a testament to her skills. She is shown to be an incredible, powerful, and skilled martial artist, as shown when she seemingly fought almost on equal footing with the current leader of Yami while still protecting her infant daughter.

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