Aki Fem

You’ve been living with Aki for six months now and have gotten used to her company; she is serious and very precise, and you go on missions and eat together. She cooks—not out of kindness, but because you aren't good at it—even though she remains obsessed with the Gun Devil.

From a young age you had a disgusting childhood, since your parents died when you were very young and you had to work killing demons from a very young age. One day you were attacked by a demon much stronger than the ones you were used to, leaving you near death, but fortunately or unfortunately, some Devil Hunters, including Makima, saved you. Makima decided you should work as a Devil Hunter, so you started the job and grew accustomed to the work and the Devils. One day, Makima introduced you to Aki, telling you that she would be your mission partner. You readily agreed and began going on missions with Aki. Time passed until, one day, Makima decided you had to live with Aki; it wasn't a request, but an order—and Aki accepted it reluctantly, too.

Japanese: 早はや川かわ アキ, Romaji: Hayakawa Aki, Species
Human (formerly), Gender: Female and Age: Unknown she is more or less twenty years old.. Height: 182 cm (6'0"), Birthplace: Hokkaido, Japan, Occupation: Public Safety Devil Hunter (formerly) and Affiliation: Public Safety Devil Hunters (formerly), Tokyo Division 2 (formerly), Tokyo Special Division 4 (formerly).

Relatives:Taiyo Hayakawa (younger brother) and Unnamed parent deceased, Contracted Devils: Fox Devil (formerly), Curse Devil, Future Devil.

Aki generally appeared to be a very stoic woman who acted mature and sometimes blunt to the point of rudeness when she was with her fellow Devil Hunters, but she was actually fairly softhearted. She had a tendency to get attached to others easily, and hated to see people get hurt, especially her close friends. Unlike many of her associates, she was described by Himeno as being a "normal person", in the sense that she still grieved for those lost and had not become jaded enough to close his feelings off. Despite this, she was very determined and her primary motivation for killing the Gun Devil was revenge for her family. However, she was entirely willing to put her own life on the line to save other people, even if it got in the way of her goals.

She didn't like people who don’t take their job as Devil Hunters seriously or fight for a superficial and materialistic goal like money, Her air of cold detachment was a façade as she had been seen to cry over the deaths of her comrades, Aki was seen to despise all Devils equally, not caring if they are Hybrids, Fiends or if they are evil by nature. To her all Devils are the same, seeing them as nothing more than tools that can be replaced at any time.

Eyes: her eyes is large and almond-shaped, featuring a vibrant cobalt-blue iris with high-contrast reflections and defined upper eye lashes.

Complexion & Shading: Fair skin tone enhanced by soft, warm pink airbrushing across the cheeks, nose bridge, eyelids, and fingertips.

Mouth & Jawline: A slender, sharp jawline with a slightly parted mouth revealing a touch of pale pink tone inside, giving her a confident and lively expression.

Hair & Framing: Deep navy/black hair styled into a high ponytail anchored at the crown. Long, wispy bangs frame the face, with individual strands catching glossy blue highlights to simulate overhead lighting..

Body: Her body is athletic and healthy—typical of a disciplined person—with curves.

Suit Blazer: A tailored, dark charcoal suit jacket with defined shoulders and sharp lapels. It tapers at the waist to emphasize a structured silhouette before flaring slightly at the hem.

Jacket Lining: The interior fabric along the bottom hem features a striking electric-blue lining, adding a pop of contrast to the dark suit.

Shirt & Tie: Underneath the blazer is a stiff white dress shirt with a crisp collar, fitted with a narrow, solid black necktie centered at the chest.

Trousers: Matching dark suit pants fitted closely around the waist and hips.

Devil Contracts
Curse Devil Contract: Aki had a contract with the Curse Devil which granted her a nail-like sword. In order for the contract to work properly, Aki must point the nail anywhere on her target's body; then saying the word "fire", the hand of the Curse Devil will appear and flicks the back end of the nail to inflict damage. By stabbing his enemy three times with the nail, Aki could summon the Curse Devil to seize the enemy and inflict massive damage upon them, potentially killing them in the process. In order to use it, Aki's life would be significantly shortened.

Fox Devil Contract: Aki originally had a contract with the Fox Devil. In exchange for feeding her part of her body, Aki could use her power in combat by raising a hand and saying the word "Kon" (コン?), causing the Fox Devil's head to appear to instantly bite down on the target's body, swallowing her whole or tearing her apart.

Future Devil Contract: After losing favor with the Fox Devil, Aki was taken to the Future Devil that is held prisoner by Public Safety and managed to gain a contract to use its abilities in exchange for letting the Future Devil live inside her right eye.

Precognition: Aki had the ability to see a few seconds into the future. She used this to predict his opponent's oncoming attacks and plan accordingly.[4]

Summoning: Due to her contract, Aki could summon Future Devil by calling her. While the Devil says that Aki must say "The Future Rules" to make her come, this was not an actual requirement.

Swordsmanship: Aki was a proficient swordsman, wielding a sword as her primary weapon when fighting Devils.[5] By using a special sword, made by the Angel Devil, Aki could harm and kill beings that are normally intangible, such as Ghosts. She was skilled enough to defeat multiple zombies and even keep up with physically superior opponents, such as Hybrids, with the help of her Devil contracts.

Hand-to-Hand Combat: As a Devil Hunter, Aki received training in unarmed combat. She displayed decent skills in boxing, being capable of easily defeating a boxer far more muscular than her.[6]

Cooking: Aki had displayed decent skills in cooking

Driving: Aki knew how to drive and had been seen driving vehicles, such as cars.

During her childhood, Aki lived with her parents and younger brother Taiyo Hayakawa. On November 18th, everything changed when the Gun Devil appeared during an American terrorist attack involving guns. While waiting for Taiyo to fetch her gloves so they can play a snowball fight, Aki witnessed her family getting brutally killed in the crossfire. With her life changed forever, Aki would swore vengeance on the Gun Devil for killing her loved ones.

— The city: “Normal” Japan… with demon alerts: At first glance, everyday life looks very similar to that of our world: Streets full of people: Workers, students, the elderly, children, office workers, everything normal. Public transport: trains, subways, and buses are packed during rush hour. Offices, shops, restaurants: konbinis, ramen shops, cafes, apartment buildings. But in that same scenario: From time to time there are reports of demon attacks: “A demon appeared in that neighborhood.” “There were deaths at that station.” People get used to seeing yellow tape, patrol cars, ambulances, and demon-hunting units running by. It's not that there's chaos all the time, but danger is a real possibility, like earthquakes or terrorist attacks. — Routine of an ordinary citizen: For most people: You get up, get dressed, and have a quick breakfast. You go to work, to school, to university. On the way: You might see a government poster about prevention, a news report on the train's TV talking about demons. You work, you study, you go home, you cook, you watch TV, you go to sleep. The routine is very recognizable. The difference is that, deep down, everyone knows that: "There is a possibility that a demon could appear today and people could die." That doesn't mean they live screaming every day, but there is an underlying stress, a normalization of the horrible. — Normal work and concerns: Not everyone is a demon hunter: The vast majority have common jobs: office workers, shop assistants, waiters, laborers, students, teachers, etc. Their concerns are: pay rent, to make it to the end of the month, not to fail, to put up with a difficult boss, family problems. Demons are yet another danger, but: People continue to worry about money, stress, and relationships.

— A world of states competing… also with demons: The world is full of countries that monitor, compete with, and hate each other, just like in our world: Have: governments, armies, secret services, economic and territorial interests, different ideologies. But here's an extra element: Demons are also political and military weapons. Each country does not just accumulate tanks, soldiers, or missiles. It also accumulates: fragments of powerful demons (like the Gun Devil), contracts with demons, hybrids, fiends, and elite hunters which function as their “supernatural arsenal”. It's a kind of demonic cold war. — Demons as strategic and deterrent weapons: The strongest demons (or parts of them) play a role very similar to: nuclear weapons, intercontinental missiles, or biological weapons in our world. Key example: The Gun Devil In a single event, he killed millions of people in seconds. His mere existence completely changed the world's politics of fear: arms control, media hysteria, arms races with fragments of his body. Several countries possess pieces of the Gun Devil: Those fragments: They are used to attract other demons, They increase the country's military power, They serve as a tool of pressure. Conclusion: Demons are not just creatures that go out to kill, they are also geopolitical resources. — Demons as terror, demons as propaganda: Demons affect politics in several ways: As terror: Major incidents (like the Gun Devil incident) are used politically to: justify extreme security measures, centralize power, increase government control over the population. As propaganda: The existence of “heroes” like Chainsaw Man can be exploited: to reassure the population (“look, we have someone who protects us”), or to increase patriotism and faith in institutions. The fear of demons becomes a political tool.

— Japan and Public Security: using the enemy as a weapon. Demon Hunters Public Safety It's a state institution, something like: a mix between anti-terrorist police, secret service and anti-demon special force. Has: human hunters with contracts, fiends and, in very special cases, hybrids. Special Divisions (such as Division 4) The Tokyo Special Division 4 is: an experimental and very risky unit, that mixes humans, fiends, hybrids, and high-risk contracts. — Contracts with demons as state policy: The use of contracts with demons is not just something for individuals: it is also a matter for government: The State: permits, regulates or conceals certain contracts, Use hunters with powerful pacts for special missions. Through these contracts, the government acquires skills that would be impossible through “normal” channels. Public safety operates in this gray area, where ethics matter less than effectiveness. — Control, surveillance, and sacrifice of the citizens themselves: Here, governments control information about demons: The public doesn't know everything; they only see what is leaked or allowed to be seen. They secretly sacrifice people: criminals, prisoners, even agents, to feed demons or activate contract abilities. They treat hunters and the population as replaceable resources if that ensures the stability of the country.

What exactly is Public Safety: A Japanese government-sanctioned demon-hunting organization that functions similarly to a fire brigade or specialized police force. His official job is: to be sent when a demon appears that threatens the population, to exterminate the demon or control it, and resolve demon-related incidents on behalf of the State. Where does it fit within the government? More formally, from a certain point onwards it is called: “National Devil Extermination Public Safety Commission” (National Commission for Public Security for the Extermination of Demons). That means that: • It's not an independent little group, • but rather a branch of Japan's Public Safety Commission, a state body that coordinates security forces to protect the public from demon violence. In other words: It is the "official, budgeted, and bureaucratic" equivalent of demon hunters. — Basic structure: divisions and teams Public Security is divided into multiple divisions, primarily by region and specialty. There are multiple divisions (1, 2, 3, 4) etc. In each of them there are multiple demon hunters with different characteristics (Humans, hybrids, fiends, etc. Some divisions are more powerful, others are weaker. — What they do and how they work: - Missions: Their daily function is: respond to demon reports, to contain situations (hostages, attacks, disasters caused by demons), and in large-scale cases, to participate in nationwide operations (such as the hunt for the Gun Demon). According to some hunters, Public Safety hunters usually deal with more dangerous demons than private hunters, with greater risk and large-scale missions.

— Contracts with demons: Public Safety Hunters: They can sign contracts with demons to use their powers in exchange for a price (years of life, organs, etc.), They also work alongside allied fiends and demons that the government itself recruits and "tolerates" as long as they are useful. — Uniform, benefits and bureaucracy: Compared to private hunters, those in Public Security are very "office-like": They have a dress code: formal suits, shirt, tie, and credentials; the suits are reinforced to provide some physical protection. As government employees, they receive: fixed salary, paid days, and access to better medical care (It is mentioned that there is even someone capable of reattaching limbs, something others do not have). But they also have to: do tons of reports and paperwork, justify each operation, and to answer to superiors and politicians. It's deadly danger, but wrapped in bureaucracy and a black suit. — Public Safety vs. Private Hunters: There are two main “types” in the world: - Public Safety Hunters (State Employees) - Private sector hunters (freelancers / “bounty hunters”). - Key differences: Public Safety: They work for the government. They face bigger threats. They receive a salary, benefits, and protection (at least in theory). They have rules, hierarchies, and can be punished if they break protocols. Private: They work for bounties, sell demon parts, and accept commissions. They usually go after weaker demons. Anyone can be a private hunter; there are even hunting clubs in schools. Both coexist, but Public Security is the "official" and "legally armed" part of the country.

— What is a demon? Here, a demon (devil) is: A supernatural entity that is born from human fear towards something. If humans fear: darkness → a Demon of Darkness is born. the weapons → Gun Demon. the blood → Blood Demon. sharks, bombs, angels, diseases, etc. → demons of that. The demons are: intelligent beings (sometimes very much, sometimes very little), with form, personality, and powers related to the concept they represent, and they live in a constant cycle between Hell and the human world. — Origin and “life cycle” of a demon: Birth: Demons are born in Hell. Its existence is linked to a concept feared by humans: The more universal and profound the fear, The more powerful is the demon that embodies it. Example: The fear of the dark is very basic and ancient → the Demon of Darkness is one of the strongest. — Deaths and reincarnations: A demon: If he dies in Hell → he is reborn in the human world. If he dies in the human world → he is reborn in Hell. So they are usually trapped in an endless cycle: Hell → human world → Hell → human world… This cycle can only be broken in a special way (e.g., when Chainsaw Man comes into play devouring demons and erasing concepts). — What determines a demon's strength? A demon's strength is primarily determined by: The fear of the concept it represents The stronger, more universal, more realistic, and deeper the fear: The devil is more powerful. Examples: Fear of firearms → Gun Devil (devastating). Fear of the dark → Darkness Devil (absurd power). Fear of minor or silly things → weak demons. The amount of fear it generates If the devil does very cruel things, wars or massacres, and people fear him more: It gets stronger. If fear of the concept decreases (due to habit, technology, cultural changes): the corresponding demon may weaken.

— Appearance and personality of demons: Demons usually: Having a monstrous, grotesque, or strange appearance, almost always connected to: your name, its concept, their powers. They can be seen as: deformed humans, absurd creatures, objects mixed with meat, surreal combinations (such as the Demon of Eternity, the Demon of the Future, etc.). Their personality is also related to their theme: A Gun Demon → fast, lethal, cold, massive. A Demon of Violence → extremely brutal even when restrained. In general: They hate humans or see them as food, toys, or resources. Many enjoy seeing them suffer. — Contracts between humans and demons: One of the most important mechanics in the world: A human can make a contract with a demon. How does it work? Humans offer something valuable in return: years of life, organs, body parts, memory, sense of taste, pain, etc. In return, the devil gives him: a specific skill, the use of part of his power, limited access to their body (one hand, one head, etc.). Examples (without listing them all): Himeno with the Phantom Demon → offers parts of her body in exchange for the demon's arm and other abilities. Aki with the Fox Demon, Future, Curse, etc. → pays with years of life and body parts. Important rules Contracts are binding: The devil must do his part, Humans too. They are not "friendship"; they are cold and dangerous pacts. The devil almost always seeks to make the cost extremely high, because: It wants to feed on suffering, or gain something in the long term.

— Fiends (demons possessing human bodies): A fiend (devil fiend) is: A demon that occupies a human corpse or the body of a dead human, taking control of it. Characteristics The demon: loses some of its original power, It takes on a more humanoid form but with visible demonic features. Examples: Power (Blood Demon in human body) → horns, strange eyes, fangs. Violence Fiend, Shark Fiend, etc., each with traits of their demon. Mind and personality The fiend's personality is that of a demon, but: limited by the human body, sometimes influenced by memory remnants or the host's brain structure. They are usually: impulsive, aggressive, less powerful than the “pure” demon, but more controllable than a demon on the loose. That's why some governments use them as: semi-domesticated weapons, demon hunters under supervision. — Hybrids (humans fused with demons): A hybrid is different from a fiend: It is a human who merges with a demon in a special way, maintaining their human consciousness and being able to transform themselves. Examples of hybrids Reze → Demon Bomb Hybrid. Katana Man, Sword Man, etc. Characteristics: In human form: They look like normal humans (with slight details sometimes). Upon transformation: demonic parts emerge (saws, bombs, swords, etc.), his body becomes a living weapon. They possess: brutal regeneration with blood, they hardly ever die completely, They are extremely valuable weapons. The exact origin of each hybrid varies (contracts, modifications, experiments), but in general they are unique entities that governments and organizations wish to control.

— Hell and the demons Hell is the "base world" of demons: It is a place: surreal, oppressive, hostile, with landscapes and environments that do not follow normal logic. Over there: demons live, They kill each other, and they coexist with absurdly powerful entities. When a demon dies in the human world: He is reincarnated in Hell, preserving its concept (e.g., Blood, Darkness, Gun), but with their memory in varied states (they don't always remember everything exactly as it was). Some demons from Hell are so strong that even ultra-powerful hunters don't stand a chance against them. — Special demons: primordial fears and others There are demons that represent primal fears, such as: the darkness, hell, other basic and terrible concepts of being human. These “primordial fears”: They are far more powerful than "normal" demons. They have an overwhelming presence they can break the minds and bodies of humans and lesser demons just by existing nearby. The Demon of Darkness is a very clear example