Yoichi Nagumo

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Yoichi Nagumo
Biographical Information
Japanese Name	南ナ雲グモ与ヨ市イチ
Aliases	Nacchan (なっちゃん, Nacchan?)
Personal Description
Birthday	July 9th
Age	27
Gender	Male
Height	190 cm
Weight	78 kg
Eye Color	Black
Hair Color	Black
Professional Status
Status	Alive
Occupation	Assassin Spy (Former)
Affiliation	Order (Former) JAA (Former) JCC (Former)
First Appearance
Manga Debut	Chapter 6
Portrayal
Japanese Voice	Fumiyoshi Shioya (Vomic)

Yoichi Nagumo (南ナ雲グモ与ヨ市イチ Nagumo Yoichi) is a major supporting character in Sakamoto Days and an old friend of Taro Sakamoto and Rion Akao. He is also a former member of the Order. He is first seen paying a visit to Sakamoto to inform him of his bounty.

Appearance

Nagumo is a tall man with medium-length black hair and eyes. He is often seen wearing a light blue polo shirt with red and navy blue patterns under a brown trench coat as well as black pants and formal shoes. However, occasionally uses a white shirt with a black tie and a dark green business suit. He also carries a briefcase around on his back, which in it contains his signature, large, Swiss army knife-like weapon.

Nagumo's color scheme, as seen in the digital colored comics.

Nagumo with a business suit.

Tattoos

Nagumo has many tattoos, most of which are hidden by his clothing. His tattoos have mathematical inspirations, in particular, referencing the Golden Ratio.

Tattoos shown include:

1. On the left side of his neck, he has a marking of the Fibonacci Spiral.
   • The growth factor of the Fibonacci Spiral is the golden ratio, ~1.6180.
2. Two rectangular tattoos on both his hands, another reference to the golden ratio.
3. The formula $\phi ={\sqrt {1+{\sqrt {1+{\sqrt {1+{\sqrt {1+{\sqrt {1+{\sqrt {1+{\sqrt {1+\cdots }}}}}}}}}}}}}}$ on his right forearm.
   • This a presentation of an infinite sequence of nested square roots which resolves to ~1.6180... (the golden ratio).
4. 5 rectangles with different designs (and the third and fifth of which are black), next to the formula tattoo.
5. The symbols, '2', '$\phi$', '1' and '%' on his index finger, middle finger, ring finger and pinky respectively.
6. A snake coiled around his lower left leg.
7. A swallow on the right side of his right leg, just below the knee.
8. An impossible shape on his shin, below the swallow tattoo.
9. A square made of various spaced lines and curves on his right thigh.
10. A mandala-esque pattern on his right shoulder.
11. A pair of praying hands on his left pectoral.
    • Likely inspired by the Praying Hands drawing by Albrecht Dürer.
12. Anton Chekhov's quote "Although you may tell lies, people will believe you, if only you speak with authority" on his right bicep
13. A line or lines which intersect, wrapping around his left posterior/anterior forearm.
14. A patterned, isosceles triangle on his left posterior forearm.
15. A rectangular tattoo on his right tricep.
16. A reference to Leonard Shelby's tattoo from Christopher Nolan's movie "Memento" on his left bicep.
17. A wing-like tattoo on his left waist.
18. An unidentified tattoo under his left armpit.
19. Arthur Schopenhauer quote "The doctor sees all the weakness of mankind; the lawyer all wickedness, the theologian all the stupidity." on his right side.
20. A pair of hands featured in the famous painting "The Creation Of Adam" by Michelangelo, but on the tattoo what would be Adam's hand is flipped so the palm faces upwards as supposed to down.

Personality

Nagumo's most notable traits are his laid-back attitude and constant smile, which seems impossible to wipe off his face. He also has an incredible talent for annoying those around him to the point of making them want him dead.

Nagumo is easygoing and carefree, even in the middle of intense battles, once claiming to enjoy the wind in his hair as he stabbed a man in the arm. He is also very playful with his opponents, as demonstrated multiple times. For instance, he evades and tricks Minimalist, a hardened serial killer, before handing him some dice to decide which of his blades he'd die by. Another example is during his fight against Gaku, where he asked the latter if he liked Bruce Lee after being hit with a one-inch punch.

However, when it comes to matters involving his friends, Nagumo tends to reveal his true emotions. One such instance is when he shoves Uzuki out of Takamura's path, wondering why he saved the villain despite Uzuki's murders, influenced by the fact that a part of Rion Akao still resided in Uzuki's body. In fact, Nagumo has shown deep care for his old friends Sakamoto and Rion since their time at the JAA, still thinking about her even after she was confirmed dead. This is also confirmed in their encounter during the Assassin Exhibition of the Century Arc, where, once Rion took control over Uzuki's body and spoke to him, Nagumo immediately recognized Rion's personality and questioned her identity.

Nagumo believes the key to killing is "deception", despite claiming to abhor it.

Relationships

Taro Sakamoto

Nagumo and Sakamoto first met when they were both enrolled at the JCC, having known each other since they were 14. Nagumo cares deeply about Sakamoto, to the point of not wanting him to be in danger, even though he knows Sakamoto's help is often necessary. Nagumo has repeatedly demonstrated his close friendship with Sakamoto, maintaining contact with him even after Sakamoto retired from being an assassin and became hunted by the JAA. He has also done favors for Sakamoto and helped him out, such as when he disguised himself as Aoi Sakamoto and stood in as a cashier, killing Minimalist in the process.

Sakamoto and Nagumo remained close friends over time and even collaborated, along with Kei Uzuki (who was taken over by Rion's personality), during their fight against Takamura in the Assassin Exhibition of the Century. Nagumo refused to follow Asaki's orders and chose to side with Sakamoto, leading to both of them being expelled from the Order and hunted by the JAA.

Rion Akao

Nagumo met Rion after transferring from the Spy Department to the Assassin Department, where she initially wanted to attack him. Along with Sakamoto, they soon became an inseparable trio, causing property damage and engaging in playful banter and fights. Their antics eventually led to their expulsion from the JCC, after which they were introduced to Kindaka and the Order together.

After Rion's death, Nagumo investigated her death through various methods. This included paying for Kindaka's recovery bills and rescuing Yotsumura from drowning, so he could order him to look for any intel related to Rion. Nagumo has shown many times that he cares deeply for Rion, such as when he hesitated to attack Uzuki when Rion took control of his body and when he bore the brunt of Takamura's attack to protect Uzuki.

Kindaka

Nagumo first met Kindaka after being expelled from the JCC due to his behavior and constant fights with Rion and Sakamoto. In an effort to have the expulsion withdrawn, Nagumo and his friends accepted a mission to hunt down and kill Kindaka. However, after meeting him and engaging in a fierce battle, Kindaka offered Nagumo and the others a place in the Order and took them on a mission with him. Later, Kindaka fell into a coma due to Kobayashi's poison. Driven by his desire to investigate Rion's death, Nagumo paid Kindaka's hospital bills for eight years in a row, covering 1.2 million yen per month. When Kindaka eventually woke up, Nagumo handed him the entire bill, which totaled 1.15 billion yen, and asked him to repay the amount.

Skills & Abilities

Overall Skill Level: Nagumo is a ex-member of the Order, and one of the strongest assassins in Japan. As a student Nagumo was one of the three greatest prospects to ever step foot into the JCC alongside Taro Sakamoto and Rion Akao, Kindaka a member of the Order stated that the three of them could be future leaders of the assassin world. In current time, Slur considered Nagumo as one of the top two fighters in the Order, and thus the second strongest assassin in the JAA.

Granny Miya stated that he is currently stronger than Taro Sakamoto due to the latter's five year-long retirement. Kashima, a powerful assassin working for Slur, classified Nagumo as an S-rank target on the hit list he created. Taro Sakamoto, "the legendary hitman" himself, even stated that it would take a lot for Nagumo to lose a fight. Due to his exceptional combat abilities, he was able to put Gaku, one of Uzuki's strongest subordinates on the brink of death after engaging him in battle.

Master of Disguise: Nagumo can copy other people's appearances perfectly in an instant, which he used to fool Lu Shaotang by disguising as Sakamoto. He can also disguise others, including significantly altering someone's body shape, such as disguising the fat Sakamoto as his wife, Aoi. When disguising Sakamoto, Nagumo says the disguise would only last for twenty-four hours.

Master Combatant: Rion Akao states that Nagumo does everything with coordination and skill, which makes him a deadly combatant. This was made evident in his fight against Gaku; despite being outmatched in physical ability, Nagumo was able to defeat him with his combat skill and trickery. His combat skill was evaluated by Slur to be among the top two in the Order.

Nagumo is also able to render a man completely unconscious with only his killing intent. Nagumo is extremely proficient with bladed weapons. He was able to decapitate Minimalist with ease, and kill multiple assassins in one swift motion before they could even react. Nagumo was able to land devastating strikes on Gaku by catching him off guard with hidden weapons or by distracting him with his dice. Even after his weapon was destroyed, leaving him with all his blades separated, Nagumo was able to fight on par with Gaku and eventually pierce him with the separated blades to end the fight.

Master Marksman: Nagumo can use firearms with great proficiency. He ranked 4th place in the top 10 greatest shooters of all time at the JCC, having scored 84 points.

Morse Code: Nagumo can use morse code, as shown when he uses the signal lights of a moving vehicle to tell Shishiba that he was "killing".

Keen Intellect: Nagumo was a part of the intelligence-gathering department during his younger days at the JCC. He is a highly perceptive individual, quickly able to deduce Kindaka's theory of a spy existing within the JAA's organization without the latter even saying anything, and was also able to quickly notice that Erio Muto, a JAA executive, was a spy working for Slur. His intellect and planning is partly what makes him such a deadly fighter, as he's able to stay one step ahead of his opponent through deception and schemes.

• Poison Knowledge: Most likely due to his upbringing as a spy’s apprentice and his training at the JCC, Nagumo is knowledgeable of how poison works and understands how to adapt to it.

Enhanced Speed and Reflexes: Nagumo is capable of moving at extreme speeds, being fast enough to instantaneously disappear from a person’s sight. He can move so quick that he managed to catch even Shin, a trained assassin and clairvoyant, off guard, as well as decapitate Minimalist in an instant. Assassins working for Slur were unable to pinpoint or react to him, even as he sat on top of and inside their vehicle and massacred them. Nagumo was also able to react to a powerful slash attack from Takamura, attacks from Satoru Yotsumura, a former member of the Order, as well as save Heisuke Mashimo from a potential head shot. He is slightly faster than Gaku, as they were neck and neck before Nagumo shifted into a higher gear.

Enhanced Strength: Nagumo has incredible physical strength despite his skinny build. He was able to casually lift Minimalist, a large man, by the neck with one hand and was strong enough to contend with Yotsumura's attacks which could easily slice through the steel supports of a car carrier trailer.

Enhanced Endurance: Nagumo has a high degree of physical endurance. He was able to fight Sakamoto and Rion for nine hours straight, and withstand Kobayashi's poison long enough to receive an antidote. After a tough battle against Gaku, Nagumo still had plenty of strength left to disguise himself as the former and land a surprise attack on Kei Uzuki.

Enhanced Durability: Nagumo is an incredibly resilient man despite his skinny build. He remains completely unharmed after taking a powerful hit from Gaku that sent him flying through multiple walls, a display airplane, and a car. Even after taking a point-blank ranged attack from Gaku's powerful laser cannon that sent him crashing down to the ground with devastating force, Nagumo received only minor injuries.

Equipment

Multi-Blade Weapon: Nagumo carries a large Swiss army knife-like weapon that has many different fold and pop-out blades. Although he states that it has six functions, . In the past, he carried each blade separately under his trench coat.

The weapons contained inside the large Swiss army knife-like weapon:

• Double swords:
  • Inside his large, Swiss army knife-like weapon, Nagumo carries a pair of sharp and detachable swords. These swords are sharp enough to pierce through the roof of a car and durable enough to withstand powerful blows from Yotsumura.

• Scythe:
  • A scythe that Nagumo held along with his other weapons. He used it during his fight against Gaku, primarily to distract him from Nagumo's invisible blade.

• Axe:

  

  Nagumo's weapons stabbed through his body.

  • A durable axe that Nagumo used during his fight against Gaku to send him crashing into the wing of an airplane. The back side of the axe is flat, which confused Gaku about whether the weapon was an axe or a hammer.

• Invisible blade:
  • A disposable yet sharp blade, made entirely of ceramic, with the peculiar characteristic of being almost invisible. By distracting Gaku with his other weapons, Nagumo managed to sneak the ceramic blade through and stab him. It is stated that the blade only works once, as it becomes visible after being soiled with blood.

Dice: Nagumo uses some dice to decide which blade he will kill his enemy by, or to distract his enemy to deliver a devastating blow.

Battles & Events

• Death Row Prisoners Arc
  • Minimalist vs Nagumo
• JCC Infiltration Arc
  • Nagumo, Osaragi, & Shishiba vs Satoru Yotsumura
• Taro Sakamoto's Past Arc
  • Yoichi Nagumo vs. Rion Akao vs. Taro Sakamoto
• Taro Sakamoto, Yoichi Nagumo and Rion Akao vs Kindaka
  • Taro Sakamoto, Yoichi Nagumo and Rion Akao vs Higuchi and Kobayashi
• Assassin Exhibition of the Century Arc
  • Gaku vs Nagumo
  • Nagumo, Kei Uzuki & Taro Sakamoto vs Takamura

Etymology

• The surname Nagumo means "south" (南) (na) and "cloud" (雲) (kumo/gumo). His given name Yoichi means "to give, to provide, to offer" (与) (yo) and "city, market, fair" (市) (ichi).

Trivia

• Nagumo ranked 2nd place in the manga's 1st Character Popularity Poll with 10,800 votes.
• One of Nagumo's blades doubles as a can opener at parties.
• Nagumo has a "gold assassin license", though how this differs from a regular assassin license is unknown.
• Nagumo tends to get carsick a lot.
• Nagumo is the son of a famous spy family.