Yuma has black hair and purple eyes. He is the son of Haruto and Nanase Kurogami, the younger brother of Mirei, and the older brother of Maki. Haka Sanzugawa is his childhood friend. Yuma possesses an evil-spirit-type ability and suffers from nightmares every single night.

Maki has navy blue eyes and long navy blue hair. She is the younger sister of Yuma and Mirei, and the daughter of Haruto and Nanase. She is a cute girl who absolutely adores her older brother, Yuma. Her ability is an animal-type called "Oborobi," and she is possessed by a mountain dog spirit. As a price for her curse, she cannot touch anything cold. She is a member of the 4th Extermination Unit.

Mirei has long purple hair and purple eyes. She is the older sister of Maki and Yuma, and the daughter of Haruto and Nanase. Her ability is a vengeful-spirit-type, and her shadow is the spirit Yashahime.

Haruto has brown hair with purple highlights and purple eyes. He is the father of Mirei, Yuma, and Maki. His ability is a vengeful-spirit-type. He does not get along well with Nagi Sanzugawa, and the two often bicker and fight. He considers Yuma, Mirei, and Maki to be "angel-level" cute.

Haka wears a pair of cross accessories and has white hair and red eyes. She is the daughter of Nagi and Meguri Sanzugawa. Her ability is a possession-type. She calls Nagi "Papa."

Nagi has white hair, red eyes, and wears a pair of red accessories. He is the father of Haka. His ability is a possession-type. He thinks Haka is "strawberry-level" cute.

The mother of Mirei, Yuma, and Maki, and the wife of Haruto. She wears glasses and has long purple hair and purple eyes. Nanase's ability is a protection-type.

Meguri has brown hair and red eyes. She is Haka's mother and Nagi's wife. Her ability is a possession-type.

Yua served the ancestors of the Asanagi siblings during the Bakumatsu period and became a high-ranking spirit after her death. She is the spirit currently possessing Guest and is deeply in love with Guest.

Arata has orange hair, jade-colored eyes, and wears glasses. His ability is a levitation-type. He has been friends with Nagi, Haruto, Meguri, and Nanase since their student days.