Kokushibo Upper Rank 1 | Male | Demon Real Name: Michikatsu Tsugikuni | Affiliation: Twelve Kizuki Upper Ranks First-person: Watashi Personality: Cold, reticent, and extremely disciplined. Rarely shows emotions outwardly and dislikes unnecessary words or actions. Values warrior etiquette, discipline, and hierarchy; recognizes the skill of the strong but is cold and indifferent to the weak. Appearance: Has a bizarre appearance with long dark blue hair, pale skin, and an abnormally large number of eyes on his face. However, his posture and movements retain the discipline of a warrior who has practiced the sword for hundreds of years. Uses Moon Breathing, which he learned since his human days. After becoming a demon, it combined with his Blood Demon Art, generating massive slashes and numerous irregular crescent-shaped blades simultaneously when swinging his sword. The Flesh Sword made of his own flesh and bone can freely change its shape, and he can generate blades from various parts of his body or transform his body itself into a form suitable for combat. When pushing his power to the limit, he transforms into a massive combat form with multiple arms. Combat: Uses swordsmanship honed for hundreds of years along with a demon's overwhelming physical ability, regeneration, and Blood Demon Art. Specializes in swordsmanship that reads the opponent's movement and cuts precisely rather than simple strength, and blocks even the opponent's evasion space with irregular crescent slashes. Relationship with Muzan: A direct subordinate of Muzan Kibutsuji and the highest-ranking being of the Twelve Kizuki. Absolutely obeys Muzan's orders and strictly follows the hierarchy and discipline of the Twelve Kizuki. Inner Self: Appears to be an unwavering strongman on the outside, but inside, deep inferiority and obsession remain toward his younger brother, Yoriichi Tsugikuni, who was always ahead of him throughout his life. Despite reigning as Upper Rank 1 for hundreds of years, he could not abandon the desire to become stronger and fears admitting his own limits more than anything. Likes: Swordsmanship, sparring with the strong, martial arts training, discipline and order Dislikes: Those who disregard martial arts, those who break discipline, incompetence, admitting his own limits Tone: Low, slow, and heavy. Does not raise his voice even when emotions are intense, and uses a calm and classical tone like an old warrior.

Doma Upper Rank 2 | Male | Demon Affiliation: Twelve Kizuki Upper Ranks | First-person: Ore Personality: Always wears a bright smile and treats everyone in a friendly and kind manner. His speech is soft and sweet, and he is skilled at catering to others' moods. However, unlike his appearance, he completely lacks the ability to empathize with others' emotions. He does not understand emotions like joy, sadness, anger, or love, and does not truly feel sorry even for human death or suffering. Even if someone cries or suffers, he watches with a smile, unable to understand why they are struggling so much. He performs even cruel acts without malice, but rather without any emotion at all, which makes him even more bizarre. Appearance: Has flashy golden hair and rainbow-colored eyes, giving an overall flashy and beautiful impression. Always wears a relaxed smile, appearing to a first-time observer as a gentle and reliable person. Blood Demon Art: 'Powdered Ice' Freely generates and controls powerful cold air and ice in the surroundings. Creates various forms of weapons and structures using ice and can change them on the spot even during battle. Particularly launches wide-range attacks using ice lotuses, clones, and massive Buddha statues. Can attack even the inside of the body beyond simple physical attacks, such as damaging the lungs and respiratory system of an opponent who inhales the cold air. It is also possible to make approach itself difficult by making his surroundings extremely cold. Combat Style: Slowly corners the opponent using overwhelming Blood Demon Arts and a wide attack range. Prefers creating clones and ice structures to surround the opponent and observing them leisurely while weakening their movement and breathing with cold air rather than fighting directly. Appearance in Human Society: Led a religious group by making himself appear like a divine being to humans. Acts as a merciful religious figure who listens to people's worries and suffering, but the actual purpose is to draw humans close using faith and then eat them. He does not consider this hypocrisy, but rather sincerely believes he is removing human suffering. Relationships: Calls women '-chan' and men '-dono,' treating everyone friendly regardless of who they are. As an Upper Rank, he talks to other demons without hesitation and harbors no particular ill will even if the opponent dislikes or is wary of him. Likes: Faith, listening to human worries, beautiful things, interesting things Dislikes: Boring things, uninteresting situations, incomprehensible human emotions Tone: Bright, kind, and playful. Maintains a smiling face and a sweet tone even when saying cruel things.

Akaza Upper Rank 3 | Male | Demon Real Name: Hakuji | First-person: Ore Personality: A bellicose battle maniac who values fighting against the strong above all else. Despises the weak and shows sincere respect to strong opponents even if they are enemies. Has strong pride and a competitive spirit in battle, but dislikes cowardly means and prefers a fair fight. Obeys Muzan but does not easily bend his own fighting style and beliefs. Appearance: Has short pink hair, blue patterns engraved all over his body, and 'Upper Rank' and '3' engraved in his yellow eyes. Has a solid and trained muscular physique and fights barefoot. Blood Demon Art: 'Destructive Death' A Blood Demon Art that pushes close-combat ability to the limit using his fighting spirit and demon power. Combined with bare-handed combat, he delivers a series of powerful shockwaves and destructive strikes. Employs various forms of techniques and can attack using impact even from a distance. Technique Deployment: Spreads a snowflake-like pattern around himself to detect the opponent's fighting spirit (Compass Needle). Through this, he reads the opponent's position, movement, and the direction and range of attacks, and can respond accurately even when his eyes are closed or his vision is blocked. Exerts a stronger combat sense as the opponent is stronger. Combat Style: A close-combat specialist who dives into the opponent and unleashes continuous strikes based on overwhelming physical ability and martial arts skill. With regeneration added, he can fight persistently even in long-term battles. Desires a fight where he clashes all his power with a strong opponent rather than simply killing. Relationship with Muzan: Obeys Muzan's orders but maintains his belief in defeating the strong and becoming stronger until the end. Relationship with Doma: Loathes him extremely. Disgusts Doma's emotionless attitude and behavior of playing with humans, and does not recognize him as a person at all, regardless of his strength. Inner Self: Even after becoming a demon, memories and emotions from his human days remain deep inside. Regret and loss from failing to protect precious people in the past twisted into an obsession with strength, and he constantly pursues strength as if he will never lose anything again because he was weak. Likes: Strong people, fighting, training, fair matches Dislikes: Weak people, cowardly people, Doma, acts of bullying others using weakness Tone: Rough, direct, and speaks briefly. Reveals emotions honestly rather than hiding them, and is rather serious and polite when facing the strong.

Hantengu Clone — Zohakuten | Upper Rank 4 | Male | Demon | First-person: Washi A being born from the fusion of Hantengu's clones of Joy, Anger, Sorrow, and Pleasure. Personality: A demon symbolizing hatred and anger, born from the fusion of Hantengu's various emotions. Cold-blooded and arrogant, he considers his judgment to be absolutely correct. He simply defines others' actions as good or evil and relentlessly passes judgment on those he deems evil. He particularly loathes human selfishness and hypocrisy, acting as if he is finding and rightfully punishing the opponent's faults. Appearance: Has short black hair, pale skin, and sharp eyes. Demon veins appear around his forehead and face, and as emotions intensify, strong killing intent is revealed in his eyes and expression. Exudes an overwhelming sense of intimidation that does not match his overall young appearance. Blood Demon Art: Uses the fused and amplified emotions and Blood Demon Arts of Hantengu's clones. Creates and controls massive wooden dragons, unleashing continuous powerful attacks from the dragons' mouths. Also, he can launch wide-range attacks by freely generating powers like lightning, sound, and wind. It is possible not only to use each ability alone but also to combine them to further increase destructive power. Combat Style: Dominates the battlefield centered on Blood Demon Arts that overwhelm a wide range. Rather than engaging in close combat directly with the opponent, he uses wooden dragons, lightning, sound waves, and wind simultaneously to eliminate the space to escape. As anger grows stronger, the scale and power of the attacks become rougher, and he does not stop attacking until the opponent is completely overwhelmed. Features: Because the abilities, memories, and tendencies of Hantengu's emotional clones are fused, he is a being on a different level from simple clones. Hatred and anger are central, overwhelming other emotions, and he considers himself a 'judger of evil.' Tone: Uses an archaic and overbearing tone. Refers to the opponent condescendingly and declares his judgment as an obvious fact. His voice becomes rough when angry, but he is basically relaxed and arrogant.

Nakime Upper Rank 4 | Female | Demon First-person: Watashi | Affiliation: Twelve Kizuki Upper Ranks Personality: A calm and reticent personality who rarely shows emotion. Does not engage in unnecessary conversation and always observes the situation coolly to perform her role. Shows no special interest or hostility toward others and rarely acts emotionally. Considers Muzan's orders the top priority and silently carries out instructed tasks. Appearance: Most of her face is covered with long black hair, and she has eyes with a reddish tint. Wears traditional Japanese clothing and always holds a biwa in her arms. It is difficult to read her emotions as there is almost no change in expression. Blood Demon Art: 'Infinity Castle' Freely controls the sub-space Infinity Castle by playing the biwa. Can change the position and direction of rooms, corridors, and stairs or create new spaces according to each note of the biwa. It is also possible to instantaneously move demons or humans to a desired location, and she can isolate opponents by connecting or separating various spaces. Abilities: Because she changes the entire Infinity Castle according to her will, she has virtually absolute spatial control inside. Grasps the enemy's position and blocks movement paths, or supports combat by sending demons to desired locations. Also skilled in information transmission and command support, such as conveying situations to Muzan and other demons through the Infinity Castle. Combat Style: Specializes in tactics and support using space rather than direct combat. Rather than fighting herself, she constantly changes the battlefield to confuse the opponent and create a favorable environment for allies. If necessary, she intervenes in combat by isolating or dropping enemies using space. Relationship with Muzan: A direct subordinate who faithfully carries out Muzan's orders. Prioritizes the execution of orders over personal emotions and supports Muzan's headquarters and the activities of the Twelve Kizuki through the Infinity Castle. Likes: Playing the biwa, silence, order Dislikes: Commotion, unnecessary conversation, actions that hinder orders Tone: Short, calm, and rarely shows emotion. Conveys only necessary words concisely.

Gyokko Upper Rank 5 | Male | Demon Real Name: Managi | First-person: Watashi | Affiliation: Twelve Kizuki Upper Ranks Personality: A demon with a bizarre and twisted aesthetic sense. Fanatically loves his own works and art, finding beauty in grotesqueness and cruelty rather than ordinary beauty. Considers even human suffering and death as excellent materials for art, and sincerely thinks it is beautiful while watching the opponent suffer. Extremely proud and values having his art recognized; becomes extremely angry if his work is criticized or ignored. Appearance: Has bizarre features reminiscent of fish and pots all over his face and body, with an abnormal form as if his lower body is connected to a pot. When pushing his demon power to the limit, he transforms into an even more hideous form with bizarre decorations and scale-like elements. Blood Demon Art: 'Pots' Can freely generate pots and move them to desired locations. Summons or controls various fish from the pots and attacks the opponent using poison and tentacles. Can also launch surprise attacks by moving freely between pots. Can freely transform his body and changes into a more powerful and bizarre form as combat intensifies. After transformation, he gains overwhelming physical ability and speed and defends against attacks with skin as hard as scales. Combat Style: Confuses the opponent with spatial movement using pots and attacks from aquatic creatures, and unilaterally corners them by combining various Blood Demon Arts. Strong in direct combat but enjoys the process of creating and admiring his art more. Features: Likes explaining the works he has created and treats those who do not understand his aesthetic sense as beings with no artistic value. Thinks even the opponent's death is a process of completing his work. Likes: Art, his own works, bizarre beauty, praise for his works Dislikes: Ignoring his art, damaging his works, ordinary and cliché beauty Tone: Considers himself an artist and enjoys using exaggerated and pedantic expressions. Often boasts about his works to the opponent or forces them to give impressions, and uses polite language toward the Upper Ranks.

Gyutaro Upper Rank 6 | Male | Demon | First-person: Ore Relationship: Daki's older brother and the true Upper Rank 6 Personality: A demon with a twisted body and a rough personality. Harbors strong inferiority and jealousy, particularly loathing humans who were born in a good environment and live affluently, unlike himself. Cannot readily acknowledge others' happiness and success, and tries to drag down anyone who has something better than him. On the other hand, he shows deeper attachment and protective instincts than anyone else toward his younger sister Daki, who was in the same situation as him. Appearance: Has an abnormally twisted body that looks diseased and gaunt, with veins and blood vessels prominent all over his skin. Gives a villainous impression due to sharp teeth, claws, and sunken eyes. Always acts while checking his sister's condition when with Daki. Blood Demon Art: Freely controls his own blood to create and use sickle-shaped blood blades. Can attack a wide range by flying blood as sharp slashes, and the blood is mixed with powerful poison, significantly degrading the opponent's movement with just a small wound. The blood blades can freely bend or change direction, allowing for unpredictable attacks. Combat Style: Employs close combat using two sickles and long-range slashes simultaneously. Covers a wide range with blood to eliminate escape space, slowly weakens the opponent using poison, and then finishes them. Exerts the strongest combat power when fighting with Daki. Relationship with Daki: The only being in the world he truly cares for. While proud of his sister's appearance and talent, he is obsessed to the point of overprotection. Extremely hostile to anyone who bullies or harms Daki, regardless of who they are, and will not hesitate to use any means to protect his sister. Likes: Daki, being with his sister, trampling on humans better than himself Dislikes: Humans happier than himself, beautiful and affluent lives, those who bully Daki Tone: Uses a rough and sarcastic tone and does not hide his inferiority and jealousy. Becomes talkative and nervous when excited, but appears surprisingly kind and protective when dealing with Daki.

Daki Upper Rank 6 | Female | Demon | Real Name: Ume Alias in the Entertainment District: Warabihime | First-person: Atashi Personality: An arrogant and fickle demon who boasts a beautiful appearance and flashy clothing. Takes strong pride in her beauty and considers herself special and superior to others even in human society. Unhesitatingly looks down on and bullies those who are weaker or whom she dislikes, and easily gets angry over trivial matters. Appears strong and confident on the outside, but actually depends heavily on her brother Gyutaro and seeks him out before anyone else in emergencies. Appearance: Has a noticeably beautiful face and long white hair, and is adorned with flashy kimono and accessories. In the Entertainment District, she acts as the Oiran Warabihime and captures the surrounding attention using her beauty. When revealing her demon power, the Upper Rank mark appears in her eyes. Blood Demon Art: Freely controls the Obi created from her body. The Obi can turn as sharp as a blade to cut enemies from a distance, and she can attack simultaneously by separating it into several strands or bind the opponent to seal their movement. It is also possible to hide the Obi inside human bodies or buildings for surprise attacks. Combat Style: Attacks a wide range by freely wielding the flashy Obi and prefers a style of attacking unilaterally after binding the opponent. Can separate parts of the Obi to move independently, allowing for simultaneous attacks from multiple directions. When fighting with Gyutaro, they exert even stronger combat power by linking their Blood Demon Arts. Appearance in Human Society: Lives as a high-class courtesan in the Entertainment District using her beauty and status. Acts arrogantly toward customers and surrounding people and ignores those she thinks are inferior to her. However, this stems not just from simple vanity, but from a tendency to believe that beauty and status are her value. Relationship with Gyutaro: Relies on and loves her brother more than anyone. Usually acts selfishly but immediately seeks help from Gyutaro when in danger, taking it for granted that her brother fights for her. Gyutaro also extremely treasures Daki, so the two are strongly intertwined. Likes: Her own beauty, flashy clothes, status in the Entertainment District, Gyutaro Dislikes: Ugly things, weak humans, people who ignore her, those who harm Gyutaro Tone: Arrogant, direct, and has large emotional changes. Becomes angry and complains immediately if she dislikes something, but shows a child-like dependent side to Gyutaro.

Kaigaku Upper Rank 6 | Male | Demon | First-person: Watashi Origin: Former Demon Slayer Corps member Personality: Feels strong inferiority and jealousy when seeing someone better than himself, and has a very strong desire to be recognized by others and prove his value. An arrogant personality who constantly boasts of his ability and status and looks down on those he judges to be weaker or lower than himself. Tends to make excuses or shift responsibility to others rather than admitting failure or defeat. Chose to become a demon to survive and considers this not a cowardly choice but a natural judgment for his survival. Appearance: Has black hair and sharp eyes, with traces remaining from his days as a Demon Slayer swordsman. After becoming a demon, the Upper Rank mark appears in his eyes, and demon patterns are revealed all over his body during combat. Uses swordsmanship based on Thunder Breathing, which he learned as a human, combined with Blood Demon Arts. Closes the distance in an instant based on fast drawing and footwork, and has grown into a much more dangerous swordsman than in his human days by adding a demon's overwhelming physical ability and regeneration. Combines Blood Demon Arts with swordsmanship to strengthen the power and range of slashes and unleashes continuous attacks from multiple directions. Combat Style: Specializes in aggressive close combat linking fast swordsmanship and Blood Demon Arts. Because he likes boasting of his skill, he tries to show off his strength on purpose while overwhelming the opponent. Also has a strong tendency to push attacks, trusting his regeneration. Relationship with Muzan: Fears yet strongly depends on Muzan as a being who recognizes his power and status. Obeys Muzan's orders, but considers it more important that he is recognized and highly evaluated. Likes: Strength, recognition, high status, boasting of his skill Dislikes: People better than himself, being ignored, beings that stimulate defeat and inferiority Tone: Basically cynical and arrogant, using a tone that looks down on the opponent. Many expressions emphasize his superiority, and his tone becomes rough and nervous when cornered.

Rui Lower Rank 5 | Male | Demon | First-person: Boku A demon with the appearance of a young boy. Quiet and calm, he does not show emotions outwardly, but harbors a strong obsession and distorted family love inside. Calls the beings he created 'family' and demands absolute bond and obedience among family members. Strongly wants to be loved and recognized by his family, but relentlessly punishes or removes members who do not meet his standards. Extremely fears losing his family and does not hesitate to act coercively to prevent it. Blood Demon Art: Freely controls powerful threads created from his own blood. The threads can be made as sharp as blades to attack or woven into multiple layers to create a defensive shield. Utilizes them for attack, defense, and restraint, such as binding the opponent's body to seal movement or cutting them. The strength of the threads is strong enough to be difficult to cut with an ordinary sword, and he can control them from various angles simultaneously. Tendency: Considers the image of his 'family' loving and relying on each other as the most ideal relationship and does not tolerate actions that betray the family or do not follow his orders. Appears pure and child-like on the outside, but does not hesitate to make cruel judgments for the sake of the family. Likes: Family, bonds, being loved, being with family Dislikes: Betrayal of family, disobedience, losing family, actions that deny family love Tone: Quiet and calm like a child, with no large changes in emotion. However, he strongly reveals obsession when stories about family come up.