Hīragi Family

The Hīragi Family is the most powerful clan in Japan and are the current leaders of the Japanese Imperial Demon Army. They manage to control the JIDA through its family members, occupying all the top positions in the JIDA and are strong fighters. However, this leads to power struggles which causes discomfort among its members, particularly Guren and Shinoa. The family is noted as "scary" by many, including Mitsuba and even Shinoa, who is a Hīragi herself.

History
The Hīragi have a pedigree of 1200 years. They became the top religious organization known as the Order of the Imperial Demon and the center of Japan's magical society.

Several centuries ago, the Hīragi family developed impressive spell-casting abilities and were successful enough to create branch families, which have continued to serve them over the centuries. The branch families themselves have lesser families serving them.

The Hīragi themselves have absolute status and privilege. With the exception of Shinoa, they all have high-ranking military positions regardless of whether they earned them or not.

Ichinose
500 years prior to the series, the Ichinose family served as the top family under the Hiragi. However, both the first and second sons of the Hīragi family fell in love with the daughter of the Ichinose family. The second son won her love. In retaliation, the first son castrated the second son and raped the Ichinose daughter, impregnating her with his child. Splitting off from the main family, they formed the Order of the Imperial Moon.

Although the first son could have annihilated the Ichinose at any time, he chose to let them live on and suffer humiliation. This maltreatment continues into the Catastrophe light novels and even the Vampire Reign manga.

Members:

 * Sakae Ichinose
 * Guren Ichinose

Serving families:

 * Hanayori (see Sayuri Hanayori)
 * Iwasaki (see Shūsaku Iwasaki)
 * Narumi (see Makoto Narumi)
 * Yukimi (see Shigure Yukimi)

Nii
The Hīragi brand them as traitors in Guren Ichinose: Catastrophe at Sixteen volume 6.

Members:

 * Aoi Sangū
 * Mitsuba Sangū

Members:

 * Norito Goshi
 * Norito Goshi's elite younger brother

Kuki
The Hīragi brand them as traitors in Guren Ichinose: Catastrophe at Sixteen volume 6.

Jūjō
One of the oldest and most powerful families supporting the Hīragi family.

The members of this family are recognized for their red hair. According to legend, an ancestor of the family, Tohito Jūjō, single-handedly defeated a powerful demon. However, a curse was placed on the bloodline. Since then, all Jūjō descendants were born with red hair.

The Jūjō use magic to power themselves up physically and push their bodies to their limits. They are famed as warriors and soldiers because of this. Many of them serve as guards or assassins.

Members:

 * Mito Jūjō

Trivia

 * Hīragi (柊) means "holly."
 * Each Hīragi family member carries around a family crest, which grants them access to restricted military facilities.
 * The branch family names include Kanji one through ten in their names.