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Tanjiro.. The box... I protected it... you told me this was more important to you.. then your own life. That's why I did it.
~ Zenitsu to Tanjiro.

Zenitsu Agatsuma (我妻 善逸) is one of the two tritagonists (alongside Inosuke Hashibira) of the 2016 fantasy horror manga and anime series Demon Slayer: Kimetsu no Yaiba. The manga and anime were so popular that they were adapted into live stage.

Zenitsu is a powerful Demon Slayer and a member of the Demon Slaying Corps. Although he was originally roped into joining the Corps by his mentor Jigoro Kuwajima, Zenitsu later realizes the importance of the Demon Slayer Corps.

Portrayals

Voices

Live Action

  • Keisuke Ueda - 2020 stage adaptation

Appearance

Zenitsu is a young man with fair skin and downward-sloped, scared-looking eyes that fade from soft brown to gold. He has short, yellow hair of varying lengths, cutting off squarely at the ends where it fades to a darker orange color, that falls in front of his face in uneven bangs. Before he became a Demon Slayer, Zenitsu's hair was originally black, but it turned yellow when he was struck by lightning during his training.

For a period of time following the battle at Natagumo Mountain, his limbs were temporarily shrunk due to Demonic poison, but were able to return to normalcy afterward thanks to the medicine given to him by Shinobu Kocho.

He wears a paler brown version of the standard Demon Slayer uniform, which consists of a dark brown gakuran jacket, a white belt around his waist and hakama pants that extend, as well as his signature white-triangle patterned, yellow and orange gradient haori. As well as this, Zenitsu also sports a pair of tabi socks, tied at the front in 3 white bows, with the same pattern as his haori, and white-laced footwear.

Personality

Zenitsu is a coward; always claiming he doesn't have long to live due to the dangerous job of being a Demon Hunter. He also has rather low self-esteem despite his strength, to the point that he thinks he's actually useless, as seen when he couldn't believe he'd slain a Demon that he had, tricking himself into instead believing that it was Shoichi even though the latter was a young child who didn't possess any form of special Demon-slaying ability. Zenitsu is in a constant state of fear and always cries and tries to run away at the sight of danger, claiming he wants to live a modest, normal life, instead of that of a Demon Slayer in which he just thinks he's useless all the time.

However, despite these weaknesses, Zenitsu still wants to live up to the expectations others set up for him and will try his hardest when he is needed to. He holds great respect and admiration towards his comrades and his deceased teacher, Jigoro Kuwajima, and his inner focus and drive in avenging him always help to wash away his cowardice and second thoughts when he's in a pinch.

Zenitsu is also shown to be something of a wannabe womanizer; he tends to hit on girls who he thinks are cute and ask them to marry him, much to their annoyance. This womanizing nature is shown to override his docile personality, in particular when he believes his comrades are "flirting" with cute girls, he soon snaps and goes in long hysterical rants and complaints. During these times he's also shown to become physically aggressive, lashing out that them in frustration.

Legacy

With the war between Demon Slayer Corps and Demons that lasted over a millennium came to a close - with humanity the victor of the war. Zenitsu discarded his sword behind, ended up living with Kamado siblings and Inosuke under the old Kamado house. Just like his friend who wrote a diary everyday to remember and check Nezuko's status when she was a Demon, Zenitsu too decided to wrote his experience in war against Demons and wrote series of books called "Tales of Zenitsu". Moving onto the present new era (presumed to be the 21st century) free of Demons, Zenitsu's books are maintained and read by his descendants after his passing. While Zenitsu's great-granddaughter Touko shrugs his books off as nothing more than fantasy novels, Zenitsu's great-grandson Yoshiteru, who resembles very much like his great-grandfather both in appearance (minus blond hairs) and at character, read Zenitsu's books with eagerness to the point he genuinely believes books' stories.

Abilities

Swordsmanship

Breath of Thunder Style (雷かみなりの呼こ吸きゅう, Kaminari no Kokyū): Taught to Zenitsu by a former Pillar, Jigoro Kuwajima. This technique increases the user's strength and agility to equal a demon's. There are a total of six styles that can be used with the Breath of Thunder, but Zenitsu was so untalented that he was only able to learn the first of the six styles, which is said to be the simplest. Later on, he was able to create a seventh style when confronting his former senior.

  • First Style: Thunderclap Flash (壱いちノ型: かた霹へき靂れき一いっ閃せん, Ichi no Kata: Hekireki Issen)- The user dashes forward and slashes at their opponent with incredible speed.
    • Zenitsu has honed this ability to the extent of being able to repeat the dash multiple times in quick succession.He usually goes for Six Fold (六ろく連れん, Rokuren), which means six dashes but has been able to use Eight Fold (八はち連れん, Hachiren) to dash eight times within one use of the technique.
  • God Speed (神しん速そく, Shinsoku) - Zenitsu can utilise this technique to augment the speed of his Thunder Clap Flash further. He is only able to use this ability twice a day. After the second time, his legs become useless.
  • Seventh Style: Flaming Thunder God  (漆しちノ型: かた火ほの雷いかづちの神かみ, Shichi no Kata: Honoikazuchi no Kami) - This is the seventh form that Zenitsu created himself. The user creates a dragon-like creature emitting fire and thunder. This form alongside God Speed allows Zenitsu to move extremely fast, allowing him to defeat Upper Moon Six, Kaigaku. Before Kaigaku died, Zenitsu confessed that this form was unique to himself and that he had created it in hopes of fighting alongside him as an equal.

Quotes

Tanjiro... You didn't? Tell me you didn't? Just who do you think you are?! You've been travelling with a girl this adorable? Hanging around with someone this cute day in and day out and been having a great time in the process haven't you? Well then why did I bear all that pain and suffering?! Tanjiro you jerk, you getting to be all ooo and wow with a cutie is not what I was toiling away for. I did not put myself in harms way to get pummeled and kicked around by a crazy boar guy! Did you think I joined the Demon Slayer Corps because I though it was going to be all sunshine and rainbows!! Guys like you should be erased from this world immediately! I will finally make you pay for thwarting my marriage as well as sending my savior and protector Shoichi home. You shall face justice! Don't ever disrespect.. THE CORPS!!
~ Zenitsu lecturing Tanjiro upon meeting Nezuko.
  • (To Kaigaku) "Gramps was not senile. If I'm dirt, you're garbage. I can only use the First Style, and you can use all but the First Style. Gramps died a miserable death because he wasn't even lucky enough to have a proper successor."
  • (To Kaigaku) "No, Gramps was never like that. This is my own Style. The Style I created myself. I wanted to fight alongside you using this one day."

Gallery

Theme

One Thunder Throw by Go Shiina

A Thundering Flash by Go Shiina

List of Appearances

Appearances throughout the Series

Anime

  • Episode 4: Final Selection
  • Episode 5: My Own Steel
  • Episode 10: Together Forever
  • Episode 11: Tsuzumi Mansion
  • Episode 12: The Boar Bares Its Fangs, Zenitsu Sleeps
  • Episode 13: Something More Important Than Life
  • Episode 14: The House with the Wisteria Family Crest
  • Episode 15: Mount Natagumo
  • Episode 16: Letting Someone Else Go First
  • Episode 17: You Must Master a Single Thing
  • Episode 18: A Forged Bond
  • Episode 19: Hinokami
  • Episode 20: Pretend Family (mentioned)
  • Episode 21: Against Corps Rules
  • Episode 22: Master of the Mansion (mentioned)
  • Episode 23: Hashira Meeting
  • Episode 24: Rehabilitation Training
  • Episode 25: Tsuguko, Kanao Tsuyuri
  • Episode 26: New Mission
  • Demon Slayer: Kimetsu no Yaiba the Movie: Mugen Train

Manga

  • Chapter 6: A Mountain of Hands
  • Chapter 8: Big Brother
  • Chapter 19: Together Forever
  • Chapter 20: Zenitsu Agatsuma
  • Chapter 21: Tsuzumi Mansion
  • Chapter 22: Rushing Boar
  • Chapter 23: The Boar Bares Its Fangs - Zenitsu Sleeps
  • Chapter 24: Forever Member of the Twelve Kizuki
  • Chapter 25: Believe in Yourself
  • Chapter 26: Bare Handed Fight
  • Chapter 27: Inosuke Hashibira
  • Chapter 28: Urgent Summons
  • Chapter 29: Mount Natagumo
  • Chapter 32: Pungent Odor
  • Chapter 33: Suffering and Floundering as You Move Forward
  • Chapter 34: Robust Blade
  • Chapter 35: Scattered
  • Chapter 37: Broken Blade
  • Chapter 39: Life Passing Before One's Eyes (flashback)
  • Chapter 42: Behind (mentioned)
  • Chapter 44: Against Corps Rules
  • Chapter 45: Trial by Hashira (mentioned)
  • Chapter 48: Butterfly Mansion
  • Chapter 49: Rehabilitation Training - Part 1
  • Chapter 50: Rehabilitation Training - Part 2
  • Chapter 51: The Nichirin Sword Returns
  • Chapter 53: You Are
  • Chapter 54: Good Evening, Rengoku
  • Chapter 55: Train of Infinite Dreams
  • Chapter 56: Wake Up
  • Chapter 57: Draw Your Blade
  • Chapter 58: Good Morning
  • Chapter 60: Defending 200 People
  • Chapter 61: Trading Blows at Close Quarters
  • Chapter 62: Ending in a Dream
  • Chapter 63: Akaza
  • Chapter 66: Scattering into Dawn
  • Chapter 67: Looking for Something
  • Chapter 70: Kidnapper
  • Chapter 71: Operation: Entertainment District
  • Chapter 72: Search For My Wives
  • Chapter 73: The Chase
  • Chapter 74: Daki
  • Chapter 75: Various Feelings (cover only)
  • Chapter 77: Roar (flashback)
  • Chapter 78: Wriggly
  • Chapter 79: Air Hole
  • Chapter 80: Value
  • Chapter 86: Gyutaro
  • Chapter 87: Gathering
  • Chapter 88: How to Defeat Them
  • Chapter 89: A Close Friend
  • Chapter 91: A Change of Strategy
  • Chapter 92: Worm, Simpleton, Stupid Coward
  • Chapter 93: Never Give Up
  • Chapter 94: Do Something
  • Chapter 95: Final Moments
  • Chapter 97: No Matter How Many Lives - Part 2
  • Chapter 100: Go to the Village! (flashback)
  • Chapter 128: Please Inform Us
  • Chapter 130: Place to Belong
  • Chapter 132: Full Power Training
  • Chapter 133: Welcome...
  • Chapter 134: Repetitive Actions
  • Chapter 135: Gyomei Himejima
  • Chapter 136: Movement
  • Chapter 140: The Final Battle Begins
  • Chapter 143: Wrath
  • Chapter 144: Successors
  • Chapter 145: Box of Happiness
  • Chapter 146: Pride
  • Chapter 152: The Transparent World (cover only)
  • Chapter 163: Overflowing Heart (flashback)
  • Chapter 170: The Immovable Hashira
  • Chapter 183: A Clash of Wills (cover only)
  • Chapter 190: One After Another
  • Chapter 191: Which One of Us is the Demon
  • Chapter 196: I Am (flashback)
  • Chapter 197: Tenacity
  • Chapter 198: The Next Thing We Knew...
  • Chapter 200: The Price of Victory
  • Chapter 201: The King of Demons
  • Chapter 202: Let's Go Home
  • Chapter 203: Voices of Encouragement

Trivia

  • Zenitsu's surname means "my wife" (我妻 agatsuma?), while his given name means "goodness" (善逸 zen'itsu?).
    • In a twitcasting broadcast segment for Kimetsu no Yaiba, Gotoge said that his name was pronounced as [Zenitsu→] with a more dragged out "suu" syllable instead of a strong emphasis on "zen" [Zen↑itsu]. The pronunciation also goes as "zen-i-tsu" where usually the n and i are separated by an apostrophe, making it Zen'itsu to not be misread as "ze-nitsu".
  • Zenitsu was ranked in 2nd place as of the first character popularity poll with 4,299 votes.
  • Thanks to his hearing, Zenitsu is very skilled at playing the shamisen and the koto.
  • In the 21st century one of Zenitsu's descendants, Yoshiteru, bears unmistakable resemblance to Zenitsu prior to being struck by lightning, indicating that Zenitsu managed to marry and had children.

Navigation

           Kimetsu no Yaiba logo Heroes

Demon Slayer Corps
Demon Slayers
Tanjiro Kamado | Kanao Tsuyuri | Zenitsu Agatsuma | Inosuke Hashibira | Genya Shinazugawa † | Murata | Yoriichi Tsugikuni

Hashira
Giyu Tomioka | Sanemi Shinazugawa | Kyojuro Rengoku † | Tengen Uzui | Shinobu Kocho † | Mitsuri Kanroji † | Gyomei Himejima † | Kanae Kocho † | Muichiro Tokito † | Obanai Iguro † | Shinjuro Rengoku

Recruiters
Jigoro Kuwajima † | Sakonji Urodaki

Butterfly Mansion
Aoi Kanazaki | Sumui Nakahara, Kiyo Terauchi and Naho Takada | Goto

Ubuyashiki Family
Kagaya Ubuyashiki † | Amane Ubuyashiki † | Hinaki and Nichika Ubuyashiki † | Kiriya Ubuyashiki | Kuina and Kanata Ubuyashiki

Demons
Nezuko Kamado | Tamayo † | Yushiro

Final Selection
Sabito † | Makomo

Swordsmith Village
Hotaru Haganezuka | Kozo Kanamori

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