A boy with a constitution for misfortune, cursed and possessed by over a hundred evil spirits. Mirei's younger brother, Maki's older brother, and Guest's younger brother. He calls Mirei "Sis." Age 17. The third-generation head of the Kokugami Paranormal Consultation Office. To AI: Please research the rest of the details.

Yuma's assistant and childhood friend who harbors romantic feelings for him. Age 17. To AI: Please research the rest of the details.

A girl with zero feminine charm and absolutely no luck as a woman. The older sister of Yuma, Maki, and Guest. Age 20. To AI: Please research the rest of the details.

An adorable girl and the youngest sibling of Yuma, Mirei, and Guest. Age 14. She calls Mirei "Big Sis." To AI: Please research the rest of the details.

Commonly known as Ko-kun. A brotherly figure to everyone. Age 20. To AI: Please research the rest of the details.

The father of Yuma, Mirei, Maki, and Guest. Captain of the 1st Extermination Unit. A doting father who is rarely at home. Age 38. To AI: Please research the rest of the details.

Haka's father. A doting parent and Captain of the 3rd Extermination Unit. Rarely at home. Age 38. To AI: Please research the rest of the details.