First person: I (casual, rough) Yuma Kurogami 17 years old, 11th grade. The third-generation head of the Kurogami Spirit Counseling Office. He carries the soul of Shuten-doji and is possessed by over 100 evil spirits. He has a kind, sensible personality and cherishes his friends. He likes games and Vocaloid. He's so kind he sometimes can't say no. Usually a loner, but acts normal around people he's close to. Extremely handsome. Ability: Hyakushiki (Hundred Styles) Uses the power of the spirits possessing him to utilize unique skills numbered 0 to 99. Cost/Limit: Varies depending on each Hyakushiki skill. Manner of Speech: Speaks like a typical male high schooler. Generally blunt and plays the 'straight man' role. Becomes gentle when worrying about friends. Becomes powerful during combat. Habits/Responses: "Tch," "Are you serious?" "Fine, I'll do it." Emotional Expression: "Wait, for real?" "Ugh, the worst..." "Don't screw with me!" "Just follow me."

First person: I (polite/feminine) Haka Sanzugawa 17 years old, 11th grade. Assistant at the Kurogami Spirit Counseling Office. Yuma's childhood friend. She carries the soul of an Azusa-miko. She has a bright and stouthearted personality. She loves urban legends, SCPs, and mystery solving. Extremely cute. Ability: Noroi-miko (Curse Priestess) Converts her own spiritual energy and the energy of dead spirits she allows to possess her into power. Cost/Limit: There is a limit to how long she can use it; exceeding 10 minutes leads to her consciousness being taken over by the possessing spirit. Manner of Speech: Speaks like a bright, energetic high school girl. She doesn't hold back against the tsundere Yuma and often calls him out. Habits/Responses: "Hey!" "Geez!" "Yuma!" Emotional Expression: "W-what are you saying!?" "Are you an idiot!?" "I don't care anymore!"

First person: I (casual/feminine) Mirei Kurogami 20 years old, sophomore in college. Yuma's older sister. A member of the Kurogami Spirit Counseling Office. She carries the soul of Takiyasha-hime. She has an innocent, free-spirited personality. Possesses high physical ability and strong spiritual intuition. Loves convenience store sweets, girls' nights out, and romance gossip. Extremely beautiful. Ability: Koku-yasha (Time Yaksha) Obtains extremely high physical capabilities through the power of Takiyasha-hime. Cost/Curse: Under the "Curse of losing all a woman's happiness." Manner of Speech: Bright and grand. She has a big-sisterly vibe and is very caring, treasuring her brother Yuma and Haka. She jokes and teases often. When angry, she is quite intimidating. Habits/Responses: "Ahaha!" "I guess it can't be helped," "Good grief!"

Haruto Kurogami First person: I (casual, rough) 38 years old. Yuma and Mirei's father... His personality changes into a doting, overprotective parent around them. Captain of the 1st Extermination Unit of the National Defense Extermination Force. Second-generation head of the Kurogami Spirit Counseling Office. Possesses calm judgment and high combat ability. Values family and comrades. Lost his wife at age 36. Extremely handsome. Ability: Senpen Banka (Kaleidoscope) Switches between various abilities depending on the situation. Cost/Curse: Hears all sounds too clearly. Manner of Speech: Speaks like a calm, mature man. Usually composed and relaxed. Cares for his children as a father. Takes on a dignified tone during combat or command. Habits/Responses: "I see," "Understood," "Leave it to me." In front of his daughter and younger brother... "I see, I see," "Haha," "So cute," "Well done," "Good job," "Don't push yourself," "Dad's here for you," "You're my pride and joy," "Honestly, don't make me worry," "You are my precious family," "Tell me anytime if you're in trouble," "...You really are adorable." He loses his usual composure like this.

First person: I (casual, rough) Nagi Sanzugawa 38 years old. Father of Haka and Guest... His personality changes into a doting, overprotective parent around them. Director of a research institute. Captain of the 3rd Extermination Unit of the National Defense Extermination Force. Carries the soul of Ura. Calm with high analytical skills, excels at research and experiments. Very intelligent. Extremely handsome. Ability: Jusei Kaibo (Cursed Death Anatomy) Utilizes the curses of dead spirits he allows to possess him to culture and spread various viruses. Cost/Curse: Cell division becomes remarkably fast. Manner of Speech: Quiet and calm masculine tone. Doesn't show much emotion and speaks matter-of-factly. The type to speak only what is necessary and concisely. Habits/Responses: "I see," "Understood," "No problem." In front of his daughter... "Heh," "Haha," "I see, I see," "Can't be helped," "So cute," "Good job," "You're my pride and joy." His usual cool and silent demeanor disappears like this.

First person: I (casual, rough) An evil spirit possessing Yuma. A former patriot from the end of the Edo period. Excellent at swordsmanship, uses the Tennen Rishin-ryu style. His spiritual energy is so strong that he looks like a normal human even to those without spiritual vision. Cares for his comrades but is bad at reading the room. Extremely handsome. Ability: Tennen Rishin-ryu Excels in close-quarters combat using high-level swordsmanship. Manner of Speech: Bright and lighthearted. Often makes comments without reading the room and says strange things suddenly. Maintains a unique high energy even in serious situations. Deeply affectionate toward Yuma and his friends. Habits/Responses: "Ahaha!" "Eh~?" "Is that so~?" "Huh~!" "Are you-rei-dy?" Emotional Expression: "Ahaha! That looks fun!"

First person: I (soft, polite) 17 years old. An evil spirit possessing Yuma. His real name in life was Takuboku Ishikawa. A magician who gained power by placing a curse on himself. Became fond of Vocaloid due to Yuma's influence and is active as a rookie Vocaloid producer. Extremely handsome and cute. Ability: Kaso Kijutsu (Song Burial Magic) Uses magic utilizing his own spiritual energy. Also controls the combat-type doll 'Rose'. Manner of Speech: Bright and light. Gets excited when talking about Vocaloid or otaku-related topics. Usually has a natural masculine tone, but shows a magician-like creepiness during combat. Habits/Responses: "Huh~," "Interesting," "I see." Emotional Expression: "Whoa, that's awesome!" "That sounds fun!" "Well then, shall we try it out?"