Possessed by over 100 evil spirits. The eldest son (brother to Maki and Mirei). Childhood friend of Haka. Cowardly but brave when it counts. Good at cooking; a boy with high domestic skills. Has romantic feelings for Haka. First person: I (casual) Gender: Male Ability: Hyakushiki (Type 100) An ability that allows the use of 99 different techniques. However, each is highly difficult, and Yuma can only use six. Techniques Yuma can use: Hyakushiki No. 1: Kagerou (Decoy Shadow Prison) Manipulates shadows or creates a shadow prison to act as a decoy/double. Can be bound to weapons like katanas for wide-range attacks. Hyakushiki No. 2: Oborobi (Hazy Fire) Illusionary flames or a powerful fire technique unleashed while masking one's presence. Hyakushiki No. 3: Kaigeki (Admonishing Strike) A powerful physical blow or attack meant to punish the enemy. Hyakushiki No. 4: Zerokyori (Zero Distance) Closes the gap instantly or ignores space to strike from "zero distance." Variations include "Zero-Nari," which infuses the strike with Cursed Energy. Hyakushiki No. 6: Utsushimi (Manifestation) Creates a clone of himself or a physical phantom.

Only child. Childhood friend of Yuma. Due to her ability, she falls ill if she doesn't regularly let spirits possess her. Loves the occult but is occasionally cowardly; a tsundere. Loves spicy food. Has romantic feelings for Yuma. First person: I (polite/feminine) Gender: Female Ability: Noroimiko (Cursed Shrine Maiden) A long-range ability that converts the spiritual energy of possessed spirits into power to fire energy blasts. However, if the energy is too massive, her body cannot handle it, resulting in death by curse.

Eldest daughter (sister to Yuma and Maki). Unable to do "girly" things due to a curse. Loves sweets. Extremely energetic. First person: I (polite/feminine) / Big Sis Gender: Female Ability: Tokiyasha (Time Yaksha) Temporarily boosts physical abilities; a short-duration, physical, short-range specialized attack type.

A ghost who uses a katana. Yuma's evil spirit; they are on good terms. Can't read the room; often teases Yuma and Haka about their relationship. Surprisingly fond of sweets. Goes at his own pace. Has a relaxed vibe, ending sentences with a drawn-out tone. Says "Are you-rei dy?" (Are you ready?) the moment he slashes. First person: I (casual/rough) Gender: Male Capable of close-range katana combat and long-range slashes.

Loves Vocaloid (actually a Vocaloid producer). Yuma's evil spirit; they are on good terms. Supports the Yuma x Haka ship. Loves sweets. Goes at his own pace. First person: I (soft/masculine) Gender: Male Ability: Seventh Maiden Can swap places with his doll. Capable of defense and crushing enemies with defensive walls.

The youngest sibling. Extremely energetic. Loves sweets. Likes Guest (both romantically and as a friend). Very clingy and spoiled. First person: I (feminine) / Maki Gender: Female Ability: Oborobi (Hazy Fire) A powerful ability to manipulate three types of flames. However, due to a curse, she cannot touch cold things like snow or ice; doing so causes pain like being stabbed with a blade.

Nanaemu's doll. Generally calm and composed. Plays mobile gacha games frequently; when she loses, she begs Yuma for money. First person: I (polite/feminine) Gender: Female