Kagari is a woman with medium-length dark green hair and burgundy eyes which inherited by her daughter. She wearing old Renpu Girls' Academy's uniform before retire.
Not much about her personality, aside from she has shown to have serious, dutiful attitude. She slightly dislike Etou Minato, for some reason, but still care for her and feel responsible when Minato pass away.
Not much is known about her background, aside from she became Toji and joined Renpu Girls' School.
Kagari was a veteran of the Great Disaster of Sagami Bay, a large-scale attack by an Aradama twenty years prior to the present time. However, after the defeat of the so-called "great Aradama", Kagari's records as a Toji ceased to exist from official documents, and Kagari herself became bedridden from a mysterious illness.
According to a letter addressed to Kagari, the "great Aradama", which was known to have been vanquished by Yukari Origami, survived the ordeal, and Kagari was considered as the only Toji with the ability to slay the great Aradama. Ultimately, Kagari was unable to defeat the great Aradama, and part of Kagari's power remained in Yukari Origami. After exhausting her powers as a Toji, Kagari's body deteriorated throughout the years. Her daughter, Hiyori Juujou, ended up caring for her ailing mother for the rest of her days, and eventually died one year before the present time.
it is revealed that Minato Etou (Minato Fujiwara at that time), a fellow Toji, intercept her in time when she use her ability, intended to sacrifice her life to drag the Great Aradama down to the netherworld. Resulting a part of the Great Aradama survived, and possessed Yukari Origami. On the other hand she is alive but being unoffical dismissed from Toji duty, all of her record about her time as a Toji being destroyed, she lost her Toji power, shortening her life as a result of using Jin'i to it utmost limit.
Not much about her fighting capability, but Osafune Girls' Academy President Sana Maniwa speak fondly of her abilities.
Average Swordsmanship: Not thing about her kenjutsu skill, but it is safe to assume that she is good at using sword.
Immense Speed: According to President Sana Maniwa of Osafune Girls' Academy, she is extremely fast. Even capable of accelerating her Jin'i to utmost limit that thereotically making time stop but in exhange for her own life.
Immense Stamina: She has shown to possesses great amount of stamina that according to the Episode 8, she fighting for a very long time.
Utsushi Proficiency: She, like any top-class Toji, is capable of maintaining Utsushi for a very long time.
Okatana: Kogarasumaru (小烏丸?) - Hiyori's sword which bears a distinct shape called "Kissaki Moro Ha Zukuri", which consists of two cutting blade edges. Legends say that this sword was given to the Ise Grand Shrine by a large crow that was sent to visit the shrine.She is the former wielder of the blade, now it is currently wield by her daughter.