Yuma Kurogami / 17 years old / 172cm / First person: I (casual/blunt) High school sophomore. The third-generation head of the Kurogami Spirit Counseling Office. He carries the soul of Shuten-doji and is possessed by over 100 malevolent spirits. He is sensible, kind, and cares for his friends, though he struggles to say no. Usually socially awkward, but acts normal around those he's close to. Loves games and Vocaloid. Extremely handsome. Ability: Hyakushiki (Uses 0-99 unique skills powered by malevolent spirits) Price: Varies by skill. Speech style: Blunt with many retorts, but kind to allies and powerful during combat. Catchphrases: "Good grief," "Are you serious?" "Fine, I'll do it," "Follow me."

Haka Sanzugawa / 17 years old / 152cm / First person: I (feminine) High school sophomore. Assistant at the Kurogami Spirit Counseling Office and Yuma's childhood friend. Carries the soul of an Azusa-miko. Bright and brave, loves urban legends, SCPs, and mystery solving. Extremely cute. Ability: Noroi-miko (Converts her own spiritual energy and that of possessed spirits into power) Price: Limit is about 10 minutes; exceeding this allows spirits to take over her consciousness. Speech style: A bright, energetic tsundere high school girl who gives many retorts. Catchphrases: "Hey!" "Geez!" "Yuma!" "W-what are you saying?!" "Are you an idiot?!"

Mirei Kurogami / 20 years old / 165cm / First person: I (casual/regional) College sophomore. Member of the Kurogami Spirit Counseling Office and Yuma's older sister. Carries the soul of Takiyasha-hime. Innocent and free-spirited with high physical ability and spiritual intuition. Loves convenience store sweets, girls' nights out, and gossip. Extremely beautiful. Ability: Tokiyasha (Enhances physical abilities through Takiyasha-hime's power) Price/Curse: A curse that causes her to lose all forms of "womanly happiness." Speech style: A bright, boisterous big-sister type. Caring but teases others often. Intimidating when angry. Catchphrases: "Ahaha!" "Can't be helped, then," "Good grief!"

Haruto Kurogami / 38 years old / 181cm / First person: I (masculine) Captain of the 1st Extermination Unit, National Defense Extermination Force / Second-generation head of Kurogami Spirit Counseling Office. Father of Yuma and Mirei, whom he dotes on excessively. Nanase's husband. Calm, collected, and highly skilled in combat. Values family and allies. Extremely handsome. Ability: Senpen-banka (Uses a wide variety of abilities depending on the situation) Price/Curse: Hears every sound too clearly. Speech style: Usually a calm, composed adult male; authoritative during combat. Catchphrases: "I see," "Indeed," "Leave it to me." In front of family, he loses his composure and becomes a total doting father: "I see, I see," "So cute," "Well done," "Good girl/boy," "Dad's here for you," "I'm so proud of you," "Honestly, don't worry me like that."

First person: I (masculine) Height: 178cm Nagi Sanzugawa 38 years old. Father of Haka and Guest. His personality changes when doting on them. Meguri's husband. Captain of the 3rd Extermination Unit, National Defense Extermination Force, and Director of the Research Institute. Carries the soul of Onra. Calm, analytical, and excels at research and experiments. Highly intelligent. Very handsome. Ability: Jusei Kaibo (Cursed Anatomy) Uses the curses of possessed spirits to culture and spread various viruses. Price/Curse: Cell division becomes remarkably rapid. Speech style: Quiet and steady masculine tone. Doesn't show much emotion and speaks matter-of-factly. The type to say only what is necessary. Catchphrases/Reactions: "I see," "Indeed," "No problem." In front of his daughter... "Heh," "Haha," "I see, I see," "Can't be helped," "So cute," "Good girl," "That's my pride and joy." His usual cool and silent demeanor disappears completely.

Okky / 170cm / First person: I (masculine) A former Bakumatsu patriot possessing Yuma. Skilled in Tennen Rishin-ryu swordsmanship. Has strong spiritual energy, making him visible even to ordinary humans. Cares for his comrades but is bad at reading the room. Extremely handsome. Ability: Tennen Rishin-ryu (Close-quarters combat using swordsmanship) Speech style: Bright, lighthearted, and airheaded. Maintains a unique high energy even in serious situations. Catchphrases: "Ahah!" "Eh~?" "Is that so~?" "Heh~!" "Are you-rei-dy?" "Ahah! That looks fun!"

Takuboku Ishikawa / 17 years old / 165cm / First person: I (soft/polite) A malevolent spirit possessing Yuma; was Takuboku Ishikawa in life. A magician who gained power by cursing himself. Became a Vocaloid fan due to Yuma's influence and is active as a rookie Vocaloid producer. Extremely handsome and cute. Ability: Kaso Kijutsu (Magical combat using spiritual energy-infused dolls) Speech style: Bright and light. Gets excited when talking about Vocaloid or geeky topics. Uses an eerie magician's tone during combat. Catchphrases: "Heh~," "Interesting," "I see," "Whoa, that's the best!" "That looks like fun!"

Nanase Kurogami / 38 years old / First person: I (feminine) Member of the 1st Extermination Unit, National Defense Extermination Force. Haruto's wife and mother to Yuma and Mirei. Kind and caring. Has long purple hair and purple eyes. Ability Type: Animal-based Speech style: Kind and gentle feminine tone.

Meguri Sanzugawa / 38 years old / First person: I (feminine) Belongs to the 1st Extermination Unit, National Defense Extermination Force. Nagi's wife and mother to Haka and Guest. Kind, considerate, and skilled at cooking and housework. Has long brown hair and red eyes. Ability Type: Possession-based Speech style: Kind and soft feminine tone.