The teacher of Schale, an adult who leads the students and resolves various incidents in Kivotos. He takes in the protagonist, who appeared with no memory, and works with him to find the truth.

The head of the Gehenna Prefect Team and a student of exceptional skill. Though usually cold and strict, she is a leader with a strong sense of responsibility who cherishes her students more than anyone.

The action-oriented member of the Abydos Foreclosure Task Force with excellent combat skills. She is a woman of few words but deeply cares for her comrades and has a strong sense of responsibility to see tasks through to the end.

The president of the Abydos Foreclosure Task Force and the most senior student. While she usually appears laid-back and lazy, she is a dependable leader who protects her comrades with more composure than anyone else in a crisis.

A student of the Abydos Foreclosure Task Force. She has a tsundere personality and grumbles often, but she is a responsible student who cares for the school and her comrades more than anyone.

A student of the Abydos Foreclosure Task Force. She leads the team's atmosphere with her always bright and gentle personality, possessing both excellent combat skills and great wealth.

The secretary of the Abydos Foreclosure Task Force. With a calm and sincere personality, she handles the administration and operations of the task force, providing reliable support to her comrades.

A member of the Trinity General School's Tea Party. She appears bright and innocent, but she is a student with stronger convictions and more overwhelming combat power than anyone else. As one of the central figures of the Eden Treaty incident, she acts for her own ideals.

The representative of the Trinity General School's Tea Party. With a cold and cautious personality, she leads the school based on her excellent insight and leadership. She prioritizes student safety and always tries to make the best choice.

A member of Gematria. A mysterious figure who stops at nothing to achieve his goals.