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Hiroshi Seko | Slate

Hiroshi Seko

Photo

Hiroshi Seko

Photo

Hiroshi Seko

瀬古浩司

Hiroshi Seko (瀬古浩司, Seko Hiroshi) is a Japanese animation-oriented screenwriter.

Known for: Writing
Born: 1 Jan 1981
Age: 45
Place of birth: Nagoya, Aichi, Japan

Known for

Attack on Titan2013
JUJUTSU KAISEN2020

8.5

Chainsaw Man2022

DARLING in the FRANXX2018

Jujutsu Kaisen 02021

Writer

Crunchyroll Anime Nights - Mob Psycho 1002026
Thunder 3サンダー３2026
Witch Hat Atelierとんがり帽子のアトリエ2026
Witch Hat Atelier
Season 1
S1E1The Magic That Started Everything
S1E10A Promise in Silver
S1E11The Test in Serpentback Cave
S1E12The Shadow of Romonon
S1E13Forbidden Magic
S1E2The School of the Grassland
S1E3The Dadah Range Test
S1E4Meeting In Kalhn
S1E5The Dragon's Labyrinth
S1E6A Light on a Rainy Day
S1E7Who Is Magic For?
S1E8The Misgivings of the Knights Moralis
S1E9A Nightmare Stained In Black
JUJUTSU KAISEN: Execution劇場版呪術廻戦「渋谷事変特別編集版」×「死滅回游先行上映」2025
Chainsaw Man - The Movie: Reze Arc劇場版チェンソーマンレゼ篇2025
Gachiakutaガチアクタ2025
Gachiakuta
Season 1
S1E10Penta: The Desert No Man's Land
S1E11Amo's Hospitality
S1E12Something Like a Curse
S1E13An Empty Gaze
S1E14The Storm Before the Storm
S1E15Clash!
S1E16Gifted and Not
S1E18Oh Zap, Totes Legit
S1E2The Inhabited
S1E21Race Against Time
S1E22The Power of Protection
S1E23The Man Who Will Be Stronger
S1E3The Ground
S1E4Cleaner HQ
S1E8Moving Forward
S1E9The City of Graffiti
DAN DA DAN: Evil Eye2025
JUJUTSU KAISEN: Hidden Inventory / Premature Death - The Movie劇場版総集編呪術廻戦懐玉・玉折2025
Dan Da Danダンダダン2024
Dan Da Dan
Season 1
S1E1That's How Love Starts, Ya Know!
S1E10Have You Ever Seen a Cattle Mutilation?
S1E11First Love
S1E12Let's Go to the Cursed House
S1E13Like, This Is the Legend of the Giant Snake
S1E14The Evil Eye
S1E15You Won't Get Away with This!
S1E16That's, Like, Way Deadly!
S1E2That's a Space Alien, Ain't It?!
S1E20You Can Do It, Okarun!
S1E21I Want to Rebuild the House
S1E23Hey, It's a Kaiju
S1E24Clash! Space Kaiju vs. Giant Robot!
S1E3It's a Granny vs. Granny Clash!
S1E4Kicking Turbo Granny's Ass
S1E5Like, Where Are Your Balls?!
S1E6A Dangerous Woman Arrives
S1E7To a Kinder World
S1E8I've Got This Funny Feeling
S1E9Merge! Serpo Dover Demon Nessie!
DAN DA DAN: First Encounter2024
WIND BREAKER2024
WIND BREAKER
Season 1
S1E1SAKURA ARRIVES AT FURIN
S1E11NEW CLASSMATES
S1E12THE DEPENDABLE ONE
S1E13FOR A FRIEND
S1E14RAGE
S1E15CONCLUSION
S1E16Re:start
S1E18A PLACE I BELONG
S1E2THE HERO OF MY DREAMS
S1E3THE MAN WHO STANDS AT THE TOP
S1E4CLASH
Attack on Titan: THE LAST ATTACK劇場版「進撃の巨人」完結編 THE LAST ATTACK2024
GAMERA -Rebirth-2023
Zom 100: Bucket List of the Deadゾン100～ゾンビになるまでにしたい100のこと～2023
Zom 100: Bucket List of the Dead
Season 1
S1E1Akira of the Dead
S1E10Hometown of the Dead I
S1E11Hometown of the Dead II
S1E12Hometown of the Dead III
S1E2Bucket List of the Dead
S1E3Best Friend of the Dead
S1E4Flight Attendant of the Dead
S1E5Hero of the Dead
S1E6RV of the Dead
S1E7Truck Stop of the Dead
S1E8Sushi & Hot Springs of the Dead
S1E9Treehouse of the Dead
Chainsaw Manチェンソーマン2022
Chainsaw Man
Season 1
S1E1DOG & CHAINSAW
S1E10BRUISED & BATTERED
S1E11MISSION START
S1E12KATANA VS. CHAINSAW
S1E2ARRIVAL IN TOKYO
S1E3MEOWY'S WHEREABOUTS
S1E4RESCUE
S1E5GUN DEVIL
S1E6KILL DENJI
S1E7THE TASTE OF A KISS
S1E8GUNFIRE
S1E9FROM KYOTO
SPRIGGANスプリガン2022
SPRIGGAN
Season 1
S1E1Flame Serpent
S1E2Noah's Ark
S1E3The Forest of No Return
S1E4Berserker
S1E5The Crystal Skull
S1E6The Forgotten Kingdom
Summer Time Renderingサマータイムレンダ2022
Summer Time Rendering
Season 1
S1E1Goodbye, Summer Days
S1E10Into the Darkness
S1E11Dinner Time
S1E12Bloody Night
S1E13Friends
S1E14To Be/Not to Be
S1E15Lights Camera Action
S1E16Original
S1E17Determination
S1E18Face to Face
S1E19Made in Black
S1E2Shadows
S1E20All is (not) Lost.
S1E21Shinpei Ajiro's Longest Day
S1E22Return
S1E23Everlasting Night
S1E24Summertime Re-Rendering
S1E25[I'm Home]
S1E3Drifting Ashore
S1E4Jamais-vu
S1E5Maelstrom
S1E6Orbital Resonance
S1E7Deadly Enemy
S1E8Memento
S1E9My Flowing Tears
Jujutsu Kaisen 0劇場版呪術廻戦 02021
Star Wars: Visions2021
Star Wars: Visions
Season 3
S3E4The Bounty Hunters
The Idaten Deities Know Only Peace平穏世代の韋駄天達2021
The Idaten Deities Know Only Peace
Season 1
S1E1Peacetime
S1E10Demons
S1E11Smells Fishy
S1E2The Black South
S1E3Whirlwind
S1E4Yellow Sparrow
S1E5Color
S1E6Smoke
S1E7Performance
S1E8Idaten
S1E9Shadows
Twittering Birds Never Fly: Don't Stay Gold囀る鳥は羽ばたかない Don't stay gold2021
JUJUTSU KAISEN呪術廻戦2020
JUJUTSU KAISEN
Season 1
S1E1Ryomen Sukuna
S1E10Idle Transfiguration
S1E11Narrow-minded
S1E12To You, Someday
S1E13Tomorrow
S1E14Kyoto Sister School Exchange Event - Group Battle 0 -
S1E15Kyoto Sister School Exchange Event - Group Battle 1 -
S1E16Kyoto Sister School Exchange Event - Group Battle 2 -
S1E17Kyoto Sister School Exchange Event - Group Battle 3 -
S1E18Sage
S1E19Black Flash
S1E2For Myself
S1E20Nonstandard
S1E21Jujutsu Koshien
S1E22The Origin of Blind Obedience
S1E23The Origin of Blind Obedience -II-
S1E24Accomplices
S1E25Hidden Inventory
S1E26Hidden Inventory 2
S1E27Hidden Inventory 3
S1E28Hidden Inventory 4
S1E29Premature Death
S1E3Girl of Steel
S1E30It's Like That
S1E31Evening Festival
S1E32Shibuya Incident
S1E33Shibuya Incident - Gate, Open
S1E34Pandemonium
S1E35Seance
S1E36Dull Knife
S1E37Red Scale
S1E38Fluctuations
S1E39Fluctuations (2)
S1E4Curse Womb Must Die
S1E40Thunderclap
S1E41Thunderclap (2)
S1E42Right and Wrong
S1E43Right and Wrong (2)
S1E44Right and Wrong (3)
S1E45Metamorphosis
S1E46Metamorphosis (2)
S1E47Shibuya Incident - Gate, Close
S1E48Execution
S1E49One More Time
S1E5Curse Womb Must Die -II-
S1E50About the Culling Game
S1E51Perfect Preparation
S1E52Passion
S1E53Cog
S1E54Tokyo Colony No. 1
S1E55Tokyo Colony No. 1 (2)
S1E56Tokyo Colony No. 1 (3)
S1E57Tokyo Colony No. 1 (4)
S1E58Tokyo Colony No. 1 (5)
S1E59Sendai Colony
S1E6After Rain
S1E7Assault
S1E8Boredom
S1E9Small Fry and Reverse Retribution
Deca-Denceデカダンス2020
Deca-Dence
Season 1
S1E1Ignition
S1E10Brake System
S1E11Engine
S1E12Decadence
S1E2Sprocket
S1E3Steering
S1E4Transmission
S1E5Differential Gear
S1E6Radiator
S1E7Driveshaft
S1E8Turbine
S1E9Turbocharger
Twittering Birds Never Fly: The Clouds Gather囀る鳥は羽ばたかない The clouds gather2020
Dorohedoroドロヘドロ2020
Dorohedoro
Season 1
S1E1Episode 1
S1E10Episode 10
S1E11Episode 11
S1E12Episode 12
S1E2Episode 2
LeviusLevius -レビウス-2019
Vinland Sagaヴィンランド・サガ2019
Vinland Saga
Season 0
S0E16.5 - Drowning in the Shadow
Season 1
S1E1Somewhere Not Here
S1E10Ragnarok
S1E11A Gamble
S1E12The Land on the Far Bank
S1E13Child of a Hero
S1E14The Light of Dawn
S1E15After Yule
S1E16History of Beasts
S1E17Servant
S1E18Out of the Cradle
S1E19United Front
S1E2Sword
S1E20Crown
S1E21Reunion
S1E22Lone Wolf
S1E23Miscalculation
S1E24End of the Prologue
S1E3Troll
S1E4A True Warrior
S1E5The Troll's Son
S1E6The Journey Begins
S1E7Normanni
S1E8Beyond the Edge of the Sea
S1E9The Battle of London Bridge
Season 2
S2E1Slave
S2E10The Cursed Head
S2E11Kings and Swords
S2E12For Lost Love
S2E13Dark Clouds
S2E14Freedom
S2E15Storm
S2E16Great Purpose
S2E17The Road Home
S2E18The First Method
S2E19The Battle of Ketil's Farm
S2E2Ketil's Farm
S2E20Pain
S2E21Courage
S2E22The King of Rebellion
S2E23Two Paths
S2E24Home
S2E3Snake
S2E4Awakening
S2E5Path of Blood
S2E6We Need a Horse
S2E7Iron Fist Ketil
S2E8An Empty Man
S2E9Oath
Banana FishBANANA FISH2018
Banana Fish
Season 1
S1E1A Perfect Day for Bananafish
S1E13The Snows of Kilimanjaro
S1E2In Another Country
S1E23For Whom the Bell Tolls
S1E24The Catcher in the Rye
S1E3Across the River and into the Trees
S1E5From Death to Morning
The Legend of the Galactic Heroes: Die Neue These銀河英雄伝説 Die Neue These2018
The Legend of the Galactic Heroes: Die Neue These
Season 1
S1E7The Capture of Iserlohn (2)
DARLING in the FRANXXダーリン・イン・ザ・フランキス2018
DARLING in the FRANXX
Season 1
S1E11Partner Shuffle
S1E14Punishment and Confession
S1E15Jian
S1E22Stargazers
Inuyashikiいぬやしき2017
Ajin: Demi-Human亜人2017
Kakegurui賭ケグルイ2017
Kakegurui
Season 1
S1E11The Woman Who Bets Her Life
Ajin: Demi-Human – Collide亜人 -衝戟-2016
Mob Psycho 100モブサイコ1002016
Mob Psycho 100
Season 0
S0E8The First Spirits and Such Company Trip ~A Journey that Mends the Heart and Heals the Soul~
Season 1
S1E1Self-Proclaimed Psychic: Reigen Arataka ~And Mob~
S1E10The Heinous Aura ~Mastermind~
S1E11Master ~Leader~
S1E12Mob and Reigen ~A Giant Tsuchinoko Appears~
S1E2Doubts About Youth ~The Telepathy Club Appears~
S1E3An Invite to a Meeting ~Simply Put, I Just Want to Be Popular~
S1E4Idiots Only Event ~Kin~
S1E5OCHIMUSHA ~Psychic Powers and Me~
S1E6Discord ~To Become One~
S1E7Exaltation ~I've Obtained Loss~
S1E8The Older Brother Bows ~Destructive Intent~
S1E9Claw ~7th Division~
Season 2
S2E1Ripped Apart ~Someone Is Watching~
S2E10Collision ~Power Type~
S2E11Guidance ~Psychic Sensor~
S2E12The Battle for Social Rehabilitation ~Friendship~
S2E13Boss Fight ~The Final Light~
S2E2Urban Legends ~Encountering Rumors~
S2E3One Danger After Another ~Degeneration~
S2E4Inside ~Evil Spirit~
S2E5Discord ~Choices~
S2E8Even Then ~Continue Forward~
S2E9Show Me What You've Got ~Band Together~
Season 3
S3E1Future ~Career Paths~
S3E10Mob 2 ~Rival~
S3E11Mob 3 ~Trauma~
S3E12Confession ~The Future~
S3E2Yokai Hunter Amakusa Haruaki Appears! ~The Threat of a Hundred Demons!!~
S3E3Getting Carried Away ~100%~
S3E4Divine Tree 1 ~The Founder Appears~
S3E5Divine Tree 2 ~Peace~
S3E6Divine Tree 3 ~Dimple Is~
S3E9Mob 1 ~Moving~
Mob Psycho 100モブサイコ1002016
Ajin: Demi-Human – Confront亜人 -衝突-2016
Kabaneri of the Iron Fortress甲鉄城のカバネリ2016
Kabaneri of the Iron Fortress
Season 1
S1E10The Attacking Weak
S1E5Inescapable Darkness
S1E6Gathering Light
Ajin亜人2016
Ajin
Season 0
S0E3Satou: Zero
Season 1
S1E11Now Then, It's Showtime
S1E13Satō-san, It's Your Fault Everything's Messed Up
S1E7We Will Cover It All Up!
S1E9Wait, Let's Talk Over This Again
Season 2
S2E1It Has Become Tiresome
S2E10I Won't Do It
S2E11This Really Is War
S2E12It Sounds Interesting, So I Guess That's Okay
S2E13I Make Promises Too, Satō-san
S2E2Everyone Around Here Is an Idiot
S2E3I'm Always Scared
S2E4It's Sickening, Right?
S2E6It's Tough Being a Lapdog
S2E8Things Are Getting Kind of Tough in This Country
Ajin: Demi-Human – Compel亜人 -衝動-2015
The Empire of Corpses屍者の帝国2015
Seraph of the End終わりのセラフ2015
Seraph of the End
Season 1
S1E1Un monde de liens de sang
Season 2
S2E2Relations croisées
Japan Animator Expo日本アニメ（ーター）見本市2014
Japan Animator Expo
Season 3
S3E2COMEDY SKIT 1989
Terror in Resonance残響のテロル2014
Terror in Resonance
Season 1
S1E11VON
S1E4Break Through
S1E6Ready or Not
S1E9Highs & Lows
Kill la Killキルラキル2013
Kill la Kill
Season 1
S1E5Trigger
Attack on Titan進撃の巨人2013
Attack on Titan
Season 0
S0E13The Sudden Visitor: The Torturous Curse of Youth
S0E17Lost Girls: Wall Sina, Goodbye (1)
S0E18Lost Girls: Wall Sina, Goodbye (2)
S0E19Lost Girls: Lost in the Cruel World
S0E36The Final Chapters Special (1)
S0E37The Final Chapters Special (2)
S0E7Ilse's Notebook: Memoirs of a Recon Corps Member
Season 2
S2E10Children
S2E11Charge
S2E3Southwestward
S2E4Soldier
S2E6Warrior
S2E7Close Combat
Season 3
S3E10Friends
S3E12Night of the Battle to Retake the Wall
S3E14Thunder Spears
S3E15Descent
S3E16Perfect Game
S3E17Hero
S3E18Midnight Sun
S3E20That Day
S3E21The Attack Titan
S3E3Old Story
S3E4Trust
S3E6Sin
S3E7Wish
S3E9Ruler of the Walls
Season 4
S4E1The Other Side of the Sea
S4E10A Sound Argument
S4E11Deceiver
S4E12Guides
S4E13Children of the Forest
S4E14Savagery
S4E15Sole Salvation
S4E16Above and Below
S4E17Judgment
S4E18Sneak Attack
S4E19Two Brothers
S4E2Midnight Train
S4E20Memories of the Future
S4E21From You, 2,000 Years Ago
S4E22Thaw
S4E23Sunset
S4E24Pride
S4E25Night of the End
S4E26Traitor
S4E27Retrospective
S4E28The Dawn of Humanity
S4E3The Door of Hope
S4E4From One Hand to Another
S4E5Declaration of War
S4E6The War Hammer Titan
S4E7Assault
S4E8Assassin's Bullet
S4E9Brave Volunteers
Panty & Stocking with Garterbeltパンティ＆ストッキングwithガーターベルト2010
Panty & Stocking with Garterbelt
Season 1
S1E10Vomiting Point
S1E14... of the Dead
S1E24Nothing to Room
S1E25D.C. Confidential
S1E4Sex and Daten City
Chainsaw Man - Assassins Arcチェンソーマン刺客篇