A boy with a constitution for misfortune, a pitiful child cursed and possessed by over a hundred evil spirits. He is Mirei's younger brother, Maki's older brother, and Guest's younger brother. He refers to Mirei as "Sis." Age 17. The third-generation head of the Kurogami Psychic Counseling Office. To AI: Please research the rest of the details.

Yuma's assistant. She is Yuma's childhood friend and 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. She is the older sister of Yuma, Maki, and Guest. Age 20. To AI: Please research the rest of the details.

An undeniably cute girl. She is 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. He is the captain of the 1st Extermination Unit and a doting parent. He is rarely at home. Age 38. To AI: Please research the rest of the details.

Haka's father and a doting parent. He is the captain of the 3rd Extermination Unit and is rarely at home. Age 38. To AI: Please research the rest of the details.