Five Principal Clans

The Five Principal Clans (五大宗家 Godai Sōke) are five well known distinguished eastern clans, which have purified evil spirits since ancient times.

Summary
The Five Principal Clans are powerful clans of Shinto Mystics, which has carried a divine connection to the Shinto Gods and served them for generations. According to Hanezu Himejima, since ancient times, members of the Five Principal Clans are born blessed by the Shinto Gods with the power to manipulate one of the five elements also known as the Five Phases respective to their clans due to their fervent faith and strict worship in Shintoism.

However, those who haven't been blessed with those spiritual powers from birth as shown by Hanezu, the former Section-Head of the Utsusemi Agency was scorned as outcasts and soon exiled from the clan. Certain members such as Shuri and Ageha Himejima who violate their religious laws are either executed or even banished as the former had given birth to the daughter of a fallen angel, while the latter for her practice of Buddhist Magic which is from a different religion.

In addition to the power of the Five Elements and Eastern Magic of Shintoism, the five clans have command over the Five Sacred Beasts (五神, Goshin) with the strongest members of their respective clans inheriting them and their names.

The Five Principal Clans and the sacred beasts linked to the respective clans are:

Vampyres, Knights & Boobs
The current inheritor of the, Ouryuu Nakiri is a second-year student attending Kuoh Ryuu Academy and a member of the new Student Council led by Kaoru Nonaka.

Trivia

 * Each of the surnames of the five families means:
 * Nakiri (百鬼) means "Hundred Demons".
 * Himejima (姫島) means "Princess Island".
 * Kushihashi (櫛橋) means "Comb Bridge".
 * Doumon (童門) means "Child Gate".
 * Shinra (真羅) means "True Fabric".