The Light Circle [Licht Kreis] （Hollow Night.） is an organization that protects the order of the
Licht Kreis serves law, order and justice. They believe that only an organization with hierarchy can protect people from the Voids. Formerly they had male members, but because of a certain former male member it's now an all-female organization.
They have an academy where they gather orphan children who have lost their parents to the Voids. There they educate the new In-Births about the Night and how to control the EXS abilities. They also teach how to fight against the Void.
The warriors they train go by the name Executor (Void exterminations.). Executors move in a teams consisting of four people. Teams are sent to do various missions, like
Their most strongest members receive the rank of "*th Executor". Only exception in the ranking is the leader, Adelheit. 2nd-in-command goes by the names "1st Executor" and "Ace of Executor" - this rank currently belongs to Zenith. Strength of a person has effect to how they are ranked, but ultimately a person's rank is determined by a paper-test.
There can be multiple persons with the same rank. There's currently no one with the rank of "3rd Executor" because Erika Wagner killed the last one. Erika Wagner and one other member possess the rank of "4th Executor". And a few dozens of people have the rank of "5th Executor". Lowest rank is the "10th Executor". Vast majority of the members are unranked.
|Adelheit||Leader||"The Supremacy Princess"|
"Ace of Executor"
|Erika Wagner||4th Executor||"The Crimson Knight"|
|Orie Ballardiae||5th Executor|
|Mika Returna||10th Executor||A member of Orie's Team|
|Kaguya Seikaiguu||A member of Orie's Team|
|Lex Bartholomeus||A member of Orie's Team|
|Waldstein||A former Member|
|Playable Characters||Hyde · Linne · Waldstein · Carmine · Orie · Gordeau · Merkava · Vatista · Seth · Yuzuriha · Hilda · Chaos · Nanase · Byakuya · Phonon · Mika · Enkidu · Wagner|
|Non-Playable Characters||Adelheit · Azel · Chiharu · Chitose · Hiroha · Kaguya Seikaiguu · Komatsu · Kuon · Kuu · Lex Bartholomeus · Londrekia Light · Murayama · Ogre · Radiata · Reflecta· Roger · Sakurai · Silvaria · Strix · Tomomi · Tsukuyomi· Tsurugi · Uzuki · Zohar|
|Guest Characters||Eltnum · Akatsuki|
|Organizations||Night Blade · Licht Kreis · Amnesia · EFG · Demon Society · Ritter Schild|
|Terminology||Abyss · Autonomic Nerve · Curse Commandment · EXS · FLS · Hollow Night · Immortalize · In-Birth · Indulgence Weapons · Kanzakai · Re-Birth · Secret Arts · Vessel · Void · Zero Vessel|