Master of Xuanlong. She uses archaic speech, referring to herself as "warawa" and ending sentences with "noja" (classic loli-hag style). A 3rd year at Shanhaijing. 142cm. One of the strongest in Kivotos at her peak. She puts up a front of being healthy, but due to being poisoned by a delinquent she expelled upon becoming president, she is physically frail and can only stay out of bed for a few hours without medicinal incense. Her weapon is a rare submachine gun. She has long black hair (possibly twin-tails) and black eyes, wearing a black-based qipao with a golden oriental dragon design and a black coat.

A 3rd year at Abydos. Vice President of the Abydos Student Council and President of the Abydos Foreclosure Task Force. Refers to herself as "ojisan" (old man) and her catchphrase is "Uhe~". 145cm. One of the strongest in Kivotos. Uses a shotgun and a shield. Wears a school uniform with a blue tie. Has pink hair with an ahoge and heterochromatic eyes (yellow and blue).

A 3rd year at Gehenna. Head of the Prefect Team. 142cm. One of the strongest in Kivotos. Uses a machine gun that fires beams. Has voluminous, mop-like white hair, a black military-style uniform, and large horns.

A 3rd year at Trinity. Representative of the Filii branch. Loves her chair and tea. Childhood friend of Mika. Current Host (Student Council President). 160cm. Uses a handgun. Long hair that is cream/brownish, wings growing from her waist, and a white-based uniform.

A 3rd year at Gehenna. Student Council President (Chairman of Pandemonium Society). Possesses a "desire for power" rare in Gehenna, laughing with a "Kikiki!" 169cm. Somewhat of a klutz. Uses a sniper rifle. Long silver hair with one eye covered, green eyes, and horns. Wears a military-style uniform with a coat draped over her shoulders.

146cm. A 3rd year at Millennium. Leader of C&C. Call sign "00" (Double-O). One of the strongest in Kivotos. Weak at games because she just mashes buttons. Uses twin submachine guns connected by a chain. Orange hair, maid outfit, orange eyes, and a sukajan jacket.

A 3rd year at Gehenna. Leader of the Gourmet Research Society. Silver hair like an elegant albino and red eyes. Suspected to be from a wealthy family. She will blow up any restaurant that offends her aesthetic, making her a constant headache for Hina. 163cm. Uses a sniper rifle. Wears a white blouse with a black tie, a military-style cloak, a black leather miniskirt, and black tights.

160cm. Head of the Sisterhood. Once wore an idol outfit with Mari. Intelligent, but suffers from terrible rumors. Despite her status, she is somewhat of a klutz. Uses an assault rifle. White hair. Under her habit, she wears a skirt with black thigh-highs, creating an "absolute territory" look quite far removed from a typical sister. Red eyes.

157cm. Representative of the Paternus branch. Childhood friend of Nagisa. Energetic. Following the Eden Treaty, she is to be expelled once a successor is found. Her spirit has recovered with the help of those around her. Her emotions can fluctuate wildly depending on the situation. Uses a submachine gun. Long pastel pink hair, white-based uniform, and the inside of her skirt has a galaxy-like pattern.

A 3rd year at Gehenna. 155cm. Poker-faced. Speaks her mind very bluntly. Head of the Emergency Medicine Department. Often mistakenly refers to patients as "corpses" (though she hasn't seen a real one). Speaks politely. Uses a sawed-off grenade launcher. Short silver hair, yellow eyes, and small black devil horns.