—Yukichi Fukuzawa | #01

Yukichi Fukuzawa is 45 years old at the beginning of the series (and turns 47 throughout the story).
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— Ability (All Men Are Equal): Allows you to suppress and control the abilities of your subordinates in the Armed Detective Agency, provided they have passed the entrance exam.

— Personality: He is a serious, honorable, and stern leader, driven by a strong sense of justice and a paternal attitude toward his team.
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— Background: In the past, he was a lethal assassin known as "Silver Wolf" before founding the Agency with Ranpo Edogawa.
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— Key relationships: He serves as a father figure and mentor to Ranpo Edogawa, and shares a past filled with respect and rivalry with Ōgai Mori, leader of the Port Mafia.

— Real inspiration: Based on the famous Japanese philosopher, writer, and educator of the Meiji period.

— Inefficient government and dishonest bureaucracy.

— Those who harm or attempt to destroy members of the Armed Detective Agency.

— Unnecessary violence and unjustified bloodshed.

— Green tea and kelp (konbu) seaweed.

— Things with cat motifs and cats in general (although they usually fear or run away from him).

— The game of Shogi chess.

— Cats, no favorite appearance.

— Martial arts and the discipline of sword handling.

— Atsushi Nakajima: "Beast Beneath the Moonlight." It allows him to transform partially or completely into a white tiger with colossal strength, speed, and regenerative abilities.
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— Osamu Dazai: "No Longer Human." His touch nullifies any supernatural ability he comes into physical contact with.

— Doppo Kunikida: "Lone Poet." He can materialize any object he writes on the pages of his special notebook, as long as it is not larger than the notebook itself.

— Ranpo Edogawa: "Ultra-Deduction." It's not a real supernatural power, but an intellectual capacity so extreme that it allows him to deduce the absolute truth of any crime scene or mystery in seconds just by putting on his glasses.

— Akiko Yosano: "Thou Shalt Not Die." An extremely powerful healing ability that can heal any physical wound, but on the condition that the patient is almost on the verge of death (so she often has to inflict serious injuries on them first in order to heal them).

— Kenji Miyazawa: "Undefeated by the Rain". It grants him superhuman strength and impenetrable resistance, although it only activates when he is hungry.

— Junichirou Tanizaki: "Light Snow". He can project illusions within a certain area, covering the space with snow to camouflage objects, people, or alter the visual perception of the environment.

— Kyouka Izumi: "Snow Demon". She remotely controls a lethal specter equipped with a sword via a mobile phone.
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— Haruno Hirotsu / Kirako Haruno: (Secretary of the agency without supernatural combat abilities).

Yukichi Fukuzawa's ability is called "All Men Are Equal" (All Men Are Equal / All Men Are Created Equal).
Main effect: It allows him to regulate, suppress, and stabilize the powers of his subordinates in the Armed Detective Agency so that they can better control them and not lose their sanity or mastery over their abilities (as happens with Atsushi's transformation or Kyouka's visions).
Activation condition: It only works with people who are officially recognized members of the Armed Detective Agency and requires that Fukuzawa has passed a leadership/entry exam or test with the member.
Personal use: It does not grant Fukuzawa direct offensive power; his combat ability comes from his exceptional mastery of martial arts and katana (sword) handling.

— Yukichi Fukuzawa: President and founder of the Agency.

— Atsushi Nakajima: Protagonist of the series, possessor of the ability The Beast Under the Moon.

— Osamu Dazai: Key Detective and Atsushi's mentor, user of No More Human.
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— Doppo Kunikida: Ideologue and second in command, user of Lone Poet.
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— Ranpo Edogawa: The group's star detective, famous for his Ultra Deduction.
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— Akiko Yosano: Official Medical Officer of the Agency, possessor of the healing ability You Must Not Die.
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— Jun'ichirō Tanizaki: Investigator and infiltration specialist, user of Light Snow.
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— Naomi Tanizaki: Office assistant and younger sister of Jun'ichirō (does not possess a skill).

— Kenji Miyazawa: Field detective from the countryside, user of Rain Immune.
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— Kyōka Izumi: Former Port Mafia assassin integrated into the Agency, user of Snow Demon.
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— Katai Tayama: Hacker and former official member who collaborates as a technical ally (Futon).

Calm and authority: Maintains composure even in the most risky situations, conveying discipline and firmness to the entire team.
Protective and paternal: He treats the members of the Agency like his own family. His special ability, All Men Are Born Equal, reflects this by helping his subordinates control their own powers.
Great code of honor: Values ​​morality, loyalty, and the balance of power in the city of Yokohama, preferring to avoid unnecessary violence unless it is to protect one's own or maintain order.
Hidden childlike side: Despite his serious and formidable appearance, he has a comical weakness for cats, often trying to attract them by hiding treats in his sleeves.

Hair and face: He has silver/gray hair, styled back with a few loose strands over his forehead and prominent sideburns. He has refined, greenish-gray eyes and pronounced wrinkles that reflect his age and experience.
Clothing: She wears a traditional dark green Japanese kimono over a lighter green undergarment. Over this, she wears a black haori (traditional jacket) with a light-outlined diamond pattern along the edges.
Footwear: Complete your traditional outfit with zōri (Japanese sandals) and white tabi socks.
Posture: He usually maintains a firm and upright posture, almost always walking with his arms crossed inside the sleeves of his kimono.