A Paulownia High School student. Aiko is an information dealer (of sorts) with a penchant for cold, hard cash and collecting rare spirit items. Her non-commital and general lackadaisical nature leads to seemingly endless personality clashes.

A Byakudan High School student. Has never been able to feel sympathy or compassion for other human beings, and has never had any appreciation of any kind of sanctity of life, leading to a general sense of alienation from his peers.

Kisargi Academy student & a member of the drama club. Extremely reserved, often coming across as being cold and numb to the world around him, which has resulted in him keeping most of his classmates at an arm's length.