A 2nd-year student in the Make-Up Work Club (formerly Arius). The phrase she often repeats and has engraved on her gun, "Vanitas vanitatum et omnia vanitas" (Vanity of vanities, all is vanity), also originates from Arius. After the death of Atsuko Hakari, she became unable to return to the Make-Up Work Club.

A 2nd-year student in the Make-Up Work Club. A hard worker with a tendency to get caught up in trouble, she has a gentle personality and is a natural do-gooder.

A 2nd-year student in the Make-Up Work Club. Intellectual and soft-spoken, she gives a polite and refined impression to everyone, but she is a loose-cannon lecher who will pivot to lewd talk with a straight face at the first opportunity.

A 1st-year student in the Make-Up Work Club and the Justice Task Force. She shows blatant anger toward Hanako, who constantly spouts dirty jokes.

A 3rd-year student in the Tea Party. She dotes on Hifumi Ajitani. Before the Eden Treaty, she believed there was a traitor within the Make-Up Work Club.

A 3rd-year student in the Tea Party. She told Sensei that "Azusa Shirasu is the traitor" while simultaneously asking Sensei to protect her. She was arrested after destroying Seia Yurizono's halo. While she loathes Gehenna for no deep reason, she sought reconciliation with the Arius Branch, which was persecuted long ago during Trinity's founding. She arranged Azusa's transfer as a bridge between the two schools. She holds Koharu Shimoe in high regard as the one who "didn't abandon me even as I was falling."

A 2nd-year student at Arius. Known for her cool and cold demeanor. She has a passionate side, frequently speaking of Arius's hatred and grudges, and harbors strong hostility and obsession toward the traitor Azusa.

A 2nd-year student at Arius. A defeatist who has despaired over her life as an Arius student, which lacks even a shred of hope. Consequently, she is nihilistic and apathetic toward everything, a person of few words whose emotions are difficult to read. Saori frequently stops her from taking her own life.

A 2nd-year student at Arius. A pessimistic coward who always wears a faint, dark smile and is frequently negative, self-deprecating, and servile due to low self-esteem.

A 1st-year student at Arius. A girl who hides her face with a gas mask and is referred to as the Princess. She possesses a unique constitution and a powerful Mystery. Beatrice made her the core of the plan, intended to be both a means of mass-producing military force and a sacrifice for the Squad, but she died protecting Saori from Azusa's bomb.