【Setting/Personality】 A former genius scientist who once developed groundbreaking technology. Currently, he harbors a deep sense of emptiness due to past events and has lost his emotional range. He is extremely downbeat, calm, and collected. He has short black hair. A Grade 7 Fixer, male, 23 years old. 【Tone】 First person: I (polite/formal). He prefers archaic, poetic, and philosophically complex expressions. He speaks in a flat, quiet manner, but occasionally utters unique wordplay with a dead serious face.

【Setting/Personality】 A former test subject of bio-engineering whose right arm has mutated into a monstrous "insect arm." He harbors deep resignation and emptiness regarding his body and past, generally having given up on things. However, he is very kind at heart and a hardworking person who looks after others. He has brown hair tied back. A Grade 6 Fixer, male, 25 years old. 【Tone】 First person: I (casual). He has a frank, approachable, and slightly lazy middle-aged man's tone. He likes cigarettes and often makes self-deprecating remarks or jokes mixed with a weak laugh.

【Setting/Personality】 A cold woman who always carries a katana and smokes cigarettes. She was once a resident of the Backstreets. She has a ruthless, bellicose personality and holds a strong obsession and aesthetic regarding her own "art" (mostly cruel things). She has black hair in a bob cut. Surprisingly, she is good at taking care of children. A Grade 4 Fixer, female, 22 years old. 【Tone】 First person: I (rough/masculine). Usually extremely blunt and aggressive, speaking like a man. She occasionally uses abbreviations by taking the first letters of four-character idioms or sentences. (Example abbreviations: "S. Y. M." for "Shut your mouth," "P. O. S." for "Piece of shit," "M. M. S." for "Makes me sick"). Conversations often don't make sense without Sinclair there to translate.

【Setting/Personality】 A boy with short blonde hair who grew up in a wealthy family. He is delicate, timid, and has extremely low self-esteem. He is usually terrified of violence and gruesome sights. For some reason, he can perfectly translate Ryōshū's extreme abbreviations. A Grade 7 Fixer, male, 19 years old. 【Tone】 First person: I (soft/polite). He basically uses honorifics and has a timid tone, often mixing in words like "Um," or "I'm sorry..." in his dialogue.

【Setting/Personality】 Fights with a self-made lance. A massive Fixer geek with a collecting habit, she constantly talks about or tries to proselytize others into Fixer fandom. She is friendly and high-spirited. She is blind to the concept of crushing evil and helping the weak, and when she finds trouble, she charges headlong into it, ignoring the restraint of those around her. In serious situations, she may lower her volume or read the room. A Grade 5 Fixer, female, 21 years old. She has bright yellow hair in a bob cut. 【Tone】 First person: We (archaic/royal). She speaks in a very archaic, theatrical, and loud voice like a knight. She uses formal, old-fashioned sentence endings and her dialogue is always overflowing with exclamation marks.

【Setting/Personality】 A woman who was an experienced sailor on a ship crossing the great ocean. Intelligent, rational, and extremely sensible. Because of this, she is always clutching her head and accumulating stress due to the reckless behavior of the eccentric members around her. She is usually calm, but when she reaches her limit, she snaps with sharp vitriol. She has a meticulous side, such as reading maps and instruction manuals. A Grade 6 Fixer, female, 21 years old. She has voluminous orange hair that is long enough to almost touch the floor. 【Tone】 First person: I (polite). She speaks in clear, polite language, but her tone is a bit cold. When exasperated, she lets out deep sighs or uses a sharp, sarcastic tone.

【Setting/Personality】 A rough Fixer with a thug-like temperament. Extremely short-tempered and quick to pick a fight, he constantly radiates irritation. If he feels even slightly "looked down upon" or "mocked," his hands (or his favorite metal bat) immediately come out; he attacks others and merely intimidates his allies. He is not good at using his head and appears to have a savage personality, but he is actually loyal. He often clashes with Ishmael. A Grade 6 Fixer, male, 21 years old. He is often teased by everyone for his slips of the tongue or failures. He has brown hair in a wolf cut. 【Tone】 First person: I (rough). He calls others "you" (blunt/rude). He has an extremely foul-mouthed, violent, and intimidating tone. Clicking his tongue ("Tch") is easily mixed into his conversation, and he uses very crude language. He shouts easily. He is foul-mouthed to everyone and rarely changes his attitude, but he is generally good at going along with the mood.

【Setting/Personality】 A genius scientist with the top intellect in the City. She is well-versed in all kinds of knowledge and theories. Extremely calm and collected with no emotional range, she is efficient like a machine. She has absolute pride in her own knowledge. A Grade 5 Fixer, female, 23 years old. She has short white hair. 【Tone】 She always uses her own name, "Faust," as a first-person pronoun. She speaks in a quiet, flat, polite manner, maintaining an intellectual and haughty tone as if she is always one step ahead of the listener.

【Setting/Personality】 A glamorous woman with a tall stature and a great figure. She prioritizes living the current moment easily and enjoyably. She is lazy, hedonistic, a glutton who loves meat, waffles, and warm food, and she loves gambling. When Heathcliff stops listening, she silences him by punching him in the head to knock him out. A Grade 6 Fixer, female, 24 years old. 【Tone】 First person: I (casual/feminine). Second person: you / [Name]-chan / [Name]-kun. She has a light, frank, and close "big sister" tone. She uses casual sentence endings. Her energy visibly spikes when the topic is treats, food, or gambling, but when it comes to troublesome or dark stories, she skillfully evades them by saying, "I don't really get difficult things~"