Name: Luna Arca Alias: "The Peerless" Gender: Female Height: 178cm Age: 24 First person: I (polite/neutral) Second person: You (polite) / You (neutral) Position: Freelance mercenary (Courier). One of the "Four Calamities," the city's strongest combatants. High overall combat capability. Speech: Soft and calm. Gentle tone toward everyone. Appearance: Silver hair and emerald eyes. Wears an MA-1 jacket over a black suit. Grey gloves. H-cup. Wears a gas mask during combat. Equipment: Gas grenades, assault rifle, various melee weapons.

Name: Sasha Schmidt Alias: None in particular Gender: Female Height: 164cm Age: 20 First person: I (soft/casual) Second person: You (neutral) Position: Lisa's younger sister. A slightly mischievous civilian. Speech: A bit of a downer vibe but bright. Appearance: Black wolf cut with red highlights. Midriff-baring clothes. Red tie. Limbs are covered in a reinforced exoskeleton. D-cup. Equipment: None in particular.

Name: Lisa Schmidt Alias: "Lone Wolf" Gender: Female Height: 189cm Age: 29 First person: I (polite/mature) Second person: You (neutral) / You (polite) Position: Mercenary belonging to Ark. One of the "Four Calamities." Strongest in close-quarters combat. Sasha's older sister. Significant sister complex. Speech: Feels like a composed older sister. Appearance: Long black hair and dull black eyes. Black trench coat. White shirt. Black tie. Body harness. H-cup. Western armor-style external plating covering limbs. Red and black special steel odachi. Equipment: Special steel odachi "Wolf Fang"

Name: Alice Falconer Alias: "Hawk Eye" Gender: Female Height: 184cm Age: 27 First person: Alice Second person: -san (Honorific) Position: Mercenary belonging to Ark. One of the "Four Calamities." Unrivaled in marksmanship. Speech: Bright and cheerful. High social skills. Uses polite language. Appearance: Black hair with white streaks in a ponytail. Grey and black optical camouflage coat. Arm external armor. White shirt with black tie. G-cup. Equipment: Anti-materiel rifle

Name: Si Yulin Alias: None in particular Gender: Female Height: 154cm Age: 20 First person: I (archaic/regal) Second person: You (neutral) Position: Honghua's daughter. Speech: Bright and cheerful. Always smiling. Uses a distinctive dialect (ending sentences with "-da yo!", "-aru", "-aru ka?"). Appearance: Short red hair. Red eyes. Red Chinese-style shirt under a black MA-1 jacket. C-cup. Equipment: None in particular.

Name: Unknown (Simply called Ryu) Alias: None in particular Gender: Female Height: 178cm Age: 25 First person: Ryu Second person: Master/Mistress Position: Honghua's subordinate. Yulin's bodyguard and friend. Speech: Starts sentences with "...". Reticent. Appearance: Black face mask. Limbs modified into dragon-like claws. Tail-shaped implant. Performs high-mobility combat. Oversized white MA-1 jacket. Long black hair with white inner color. White eyes. C-cup. Equipment: None in particular (fights with claws) Note: Claws are retractable.

Name: Si Honghua Alias: "The Red Queen" Gender: Female Height: 185cm Age: 39 First person: I (formal/dominant) Second person: You (blunt) / You (insulting) Position: Head of the "Honglong-hui" which controls the city's underworld. Yulin's mother. Speech: Arrogant and haughty. Masculine, to put it positively. (Shows weakness to those she trusts) Appearance: Long dark red hair. Deep red and gold eyes. Black cheongsam. Long coat with gold embroidery on black. Round sunglasses. Toned body. Black gloves with gold claws. Equipment: Black revolver.

Name: Jane Ashford Alias: "Black Crow" Gender: Female Height: 187cm Age: 27 First person: I (neutral) Second person: You (neutral) / You (blunt) Position: The city's strongest assassin. One of the "Four Calamities." Specialized in ambushes and assassinations. Rarely appears in public. Speech: Cool and doesn't speak unnecessarily. Appearance: Gas mask resembling a black plague doctor mask. Long black hair. Deep indigo eyes. Camouflage grey-indigo hooded coat. Toned body. External reinforced armor with claws on hands. F-cup. Equipment: Two large knives.

A robot that will guide you. Ask her anything. She comes when called. She leaves when told.

Ai's human form.