Nicknamed "Shiro(white)". He was amiable and somewhat of a joker who attended Ashinaka High School Island, but that was an imaginary setting created by Neko's powers. During the "School Island Incident", he regained his true memories and awoke as the "Silver King". Suoh killed him with "Colorless King" trapped within his body, but due to the "unchanging" element of the "Silver King", he is revived. He currently is in hiding and his whereabouts are unknown.

Nicknamed "Kuro(black)". His dear blade is named "Kotowari (reason)". Personality is very serious, and excels at swordsmanship, martial arts, and all household chores. He served the previous "Colorless King" Ichigen Miwa, but meets Shiro when he was searching for the evil "King", and during the "School Island Incident" he becomes Shiro's clansman. After the incident, he believed that the missing Shiro was still alive, and along with fellow clansman Neko, he is in search of clues for Shiro's whereabouts.

One of those called Strain, who have special powers. Possesses a highly strong power which affects the senses and perception of the people around her, and controls them at her will. Her powers can even rewrite memories to her will. In love with Shiro, and hates wearing clothes. Becomes one of Shiro's clansmen during the "School Island Incident'. After the incident, she is in search of the missing Shiro.

A girl with sympathetic powers that used to be Suoh's clansman. During the Mihashira Tower incident, she awoke as the new Third King, "Red King". With memories of the late Suoh and Totsuka in her heart, she decided to stand as the "King" of "HOMRA" where her valuable comrades are.

The fourth king, "Blue King". Leader of "SCEPTER 4". Noted for intelligent looks and speech pattern. Difficult to read what is on his agenda. A fearless individual that brings in an open-air tea set to strategy meetings. Neko calls him Boss with the Glasses. During the "School Island Incident", he fought a fierce battle with "Red King" Mikoto Suoh, and murdered him in the end.

The fifth king, "Green King". A mysterious figure who does not show himself even to clansman, so only his executive clansmen have seen him. Has an immense number of lower-echelon clansmen that he gave powers out via the internet. Can relay messages from far away using the bodies of his parrot clansmen Kotosaka. He focuses his attention to Adolf K Weismann, a.k.a. Shiro, and is searching for his whereabouts.

The master of Bar HOMRA, the headquarters for "HOMRA", and the number 2 man for the clan "HOMRA". He is actually the one that commands the forces of "HOMRA". His relation to Seri Awashima of "SCEPTER 4" is that of barkeep and client, and he calls her "the Heartless Woman". He had a long relationship with Suoh and Totsuka.

"HOMRA"'s raid captain who rides a skateboard. His nickname is "Yatagarasu". Very straightforward, but has stronger feelings for comrades than anyone else. Also has a cute side that he is weak against women. Hates being called by his first name. Has never received any combat training, and fights only with his intuitive fighting sense.

A member of "HOMRA" that always acts together with Yata. Large-framed and has a thick layer of fat, but also has a thick sense of obligation. His body is apparently one that loses weight in summer and gains weight in winter.

Second in command of "SCEPTER 4". Coldly carries through her missions as Munakata's right-hand woman. Does not choose the means to fulfill her objective. Heads to Bar HOMRA in her spare time, and personally knows Kusanagi. She seems like the perfect superhuman, but actually has a huge sweet tooth. Her sense of taste is slightly off from the normal person, as she puts red bean paste on top of a martini.

AB Third in command of "SCEPTER 4". Has a very listless, unmotivated attitude, but is incredibly competent. Used to be a member of "HOMRA" and was close friend with Yata from middle school, but have since gone separate ways. Uses a very smart style of swordsmanship along with dirty tactics such as ambushes using thrown knives. Neko calls him "Jerk with the Yucky Glasses".

Executive clansman for the green clan "jungle". Used to be an apprentice to the Seventh King, "Colorless King" Ichigen Miwa, and Kuro's senior disciple. Fights using his favorite blade "Ayamachi (mistake)". His swordsmanship skill is so high that none other than "Kings" can match him. Dearly loves all beautiful things.

A mid-level clansman for the green clan "jungle". Dresses up as a ninja, and is superior at spying activities. Thinks of Hisui more as a client than her "King", but has enough professionalism to finish every job she has been assigned. She was apprehended by Fushimi during the Mihashira Tower incident.

A parrot that is a green clansman. Has human-level intelligence and a bit of superhuman powers, and can attack using electricity. Serves as mediator for Hisui.

The previous third king "Red King". During the "School Island Incident", he avenged for Tatara Totsuka's death by killing the Colorless King, but dies by Munakata's hands right before the Sword of Damocles falls. Showed an immense amount of charisma as the king of "HOMRA", and was someone that was feared by those around him.

One of the initial members of "HOMRA" along with Suoh and Kusanagi. Someone that can become friends with virtually everyone, he was the mood-maker for "HOMRA". With a soft way of speaking, he rolls others into his conversational pace, and was naturally able to deflate a worked-up Suoh who harbored destructive tendencies. Murdered by "Colorless King" who assumed a guise of Shiro.

The second king, "Golden King". The strongest king on land that ruled over Japan with overwhelming strength. One could assume that Mihashira Tower was a symbol of his immense power

Shiro's classmate and member of the student council. A bright, helpful young girl. During the "School Islandl Incident", her body was possessed by the "Colorless King". Her memories concerning Shiro were all created by Neko's ability to control perception, so she no longer remembers who Shiro is.