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Hiroshi SEKO

瀬古 浩司


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Family name (in kanji): 瀬古 
Given name (in kanji): 浩司 
Also known as:
Koji Seko
News: Show:
Further Dan Da Dan: Evil Eye Screenings This Week in U.K. and Ireland Cinemas (Jun 9, 2025)
Dan Da Dan: Evil Eye U.K. Cinema Screenings This Friday (May 31, 2025)
Dan Da Dan: Evil Eye Will Be Released in U.K. and Ireland Cinemas on June 6 (May 8, 2025)
Sony Will Release Chainsaw Man – The Movie: Reze Arc in U.K. Cinemas (Apr 1, 2025)
Anime NYC Hosts Rooster Fighter Manga Creator Shu Sakuratani, Anime Adaptation's Screenwriter Hiroshi Seko (Mar 9, 2025)
Dorohedoro Sequel Season Reveals Returning Staff, 2025 Debut in New Visual (Jan 12, 2025)
Chainsaw Man Deluxe Limited Blu-ray Steelbook Released Monday (Dec 28, 2024)
Chainsaw Man U.K. Deluxe Blu-ray Steelbook Listed For December 30 (Nov 13, 2024)
Chainsaw Man Will Have Limited Deluxe Blu-Ray and Vinyl Set at MCM London (Sep 17, 2024)
First 3 Episodes of Dan Da Dan Will Screen in U.K. and Ireland Cinemas on Friday (Sep 10, 2024)
UK and Ireland Will Have Cinema Screenings of 1st 3 Episodes of DAN DA DAN on September 13 (Aug 7, 2024)
Hip-Hop Duo Creepy Nuts Performs DAN DA DAN Anime's Opening Theme (Jun 23, 2024)
Attack on Titan Anime Wins Astra Award for Best Streaming Animated Series (Jan 10, 2024)
Chainsaw Man U.K. Blu-ray and DVD Released on Monday (Dec 17, 2023)
Attack on Titan Anime's Finale to Differ 'a Little' From Original Manga's (Nov 4, 2023)
Crunchyroll to Stream Attack on Titan: The Final Chapters Part 2 Anime (Nov 2, 2023)
Attack on Titan: The Final Chapters Part 2 Anime's Main Trailer Streamed (Oct 28, 2023)
Attack on Titan: The Final Chapters Part 2 Anime Finale to Be 85 Minutes Long (Oct 27, 2023)
Zom 100: Bucket List of the Dead Anime's 9th Episode Delayed on Some Streaming Services (Sep 21, 2023)
Attack on Titan The Final Season Part 4's 2nd Video Unveils Finale's November 4 Premiere (Sep 12, 2023)
Zom 100: Bucket List of the Dead Anime's 7th Episode Delayed on Some Streaming Services (Sep 1, 2023)
Zom 100: Bucket List of the Dead Anime Episode 6 Delayed by 1 Week to August 27 (Aug 13, 2023)
Attack on Titan The Final Season Part 4 Anime Reveals Trailer (Jul 2, 2023)
Attack on Titan The Final Season Part 3 Anime's 2nd Half Reveals New Visual (May 21, 2023)
Free: The Final Stroke Part 1 Collector's Blu-ray/DVD Released Monday (May 13, 2023)
Samurai 7 Standard Blu-ray Released Monday (Updated 2) (Apr 29, 2023)
Attack on Titan The Final Season Part 3 Anime's 2nd Half Premieres in Fall (Mar 3, 2023)
Attack on Titan The Final Season Part 3 Anime's 1st Half Unveils Main Trailer, Opening Song Artist (Feb 25, 2023)
Attack on Titan The Final Season Part 3 Anime's 1st Half Airs as 1-Hour Special on March 3 (Feb 8, 2023)
Attack on Titan The Final Season Anime's Conclusion to Air in 2 Parts With 1st Part on March 3 (Jan 17, 2023)
Disney Plus Adds Summertime Rendering in U.K. (Jan 13, 2023)
Mob Psycho 100 Anime Season 3's Promo Video Highlights Reigen (Sep 14, 2022)
Mob Psycho 100 Anime Season 3's Promo Video Highlights Dimple (Sep 7, 2022)
Chainsaw Man Anime Unveils New Key Visual, Teases New Promo Video (Jul 30, 2022)
Attack on Titan The Final Season Anime's Music Video Features 'ətˈæk 0N tάɪtn＜TFSv＞' Song (Jun 16, 2022)
Jujutsu Kaisen and Dog & Scissors Released Monday (Jun 5, 2022)
MVM Gives Home Release Details for Vinland Saga on August 15 (May 17, 2022)
Second Girls und Panzer das Finale Blu-ray Released Monday (Updated) (May 15, 2022)
New Spriggan Anime Casts Akio Ohtsuka as Captain Steve H. Foster (Apr 28, 2022)
Attack on Titan The Final Season Anime's 'Conclusion' to Air in 2023 (Apr 3, 2022)
Anime Limited Listing First Blu-Ray Volume of Jujutsu Kaisen for May 30 (Mar 24, 2022)
Summer Time Rendering Anime's Teaser Previews Macaroni Enpitsu's Opening Song (Feb 15, 2022)
Summer Time Rendering Anime Reveals 4 Most Cast , April 14 Debut (Feb 3, 2022)
Jujutsu Kaisen 0 Film Earns Japan's #2 All-Time 3-Day Opening Weekend Box Office (Dec 27, 2021)
Toho: Jujutsu Kaisen 0 Film Projected to Sell 1 Million Tickets on 1st Day (Dec 24, 2021)
15,000 See Jujutsu Kaisen 0 Anime Film at Earliest Screenings at Midnight (Dec 23, 2021)
King Gnu Also Perform Jujutsu Kaisen 0 Anime Film's Ending Theme Song (Dec 23, 2021)
Attack on Titan The Final Season Anime's Part 2 Previewed in Main Trailer (Dec 21, 2021)
Jujutsu Kaisen 0 Anime Film Previewed in New Trailer (Dec 18, 2021)
Jujutsu Kaisen 0 Anime Film Offers 'Vol. 0.5' Booklet, Midnight Screenings (Dec 4, 2021)
Crunchyroll, Funimation to Stream Attack on Titan The Final Season Anime's Part 2 in January (Nov 19, 2021)
Funimation Streams Jujutsu Kaisen, Kaginado, Visual Prison Anime (Oct 5, 2021)
Attack on Titan The Final Season Anime's Part 2 to Premiere Next January (Aug 22, 2021)
Ani-One Asia Streams Peach Boy Riverside, The Idaten Deities Know Only Peace Anime (Jun 30, 2021)
Attack on Titan Anime Adds Episode 76 'This Coming Winter' (Mar 28, 2021)
Jujutsu Kaisen Manga Tops 10 Million in Circulation (Updated) (Oct 29, 2020)
Netflix Reveals Spriggan Anime Series' New Teaser Trailer (Oct 26, 2020)
Spriggan Netflix Anime Reveals Visual, Staff, 2021 Premiere (Oct 5, 2020)
Jujutsu Kaisen Anime to Run for 24 Episodes (Oct 3, 2020)
Jujutsu Kaisen Anime's 3rd Promo Video Previews Eve's Opening Song (Sep 19, 2020)
Jujutsu Kaisen Anime Unveils Cast, Designs of Magic Tech College's 2nd-Years (Jul 15, 2020)
Original Sci-Fi Anime Deca-Dence's Full Promo Video Unveils More Cast, July 8 Debut (Jun 12, 2020)
Dorohedoro Anime Unveils More Cast, (K)NoW_NAME's Opening Song, 2nd Video (Dec 11, 2019)
Twittering Birds Never Fly Boys-Love Film's Promo Video Unveils Cast, February Release (Oct 26, 2019)
Vinland Saga Anime's Latest Promo Video Previews Man with a Mission's New Song (Sep 1, 2019)
Vinland Saga Anime's 1st Animated Promo Unveils Main Cast, Additional Staff (Feb 6, 2019)
Mob Psycho 100 Released Monday (Dec 16, 2018)
Vinland Saga Anime Unveils Main Staff, Visual (Aug 20, 2018)
Mob Psycho 100 Anime's 3rd Promo Previews Setsuo Ito as Mob (Jun 30, 2016)
Seraph of the End Released Monday (May 23, 2016)
One-Punch Man Creator's Mob Psycho 100 Anime Presents Teaser Video With Cast, Staff (Feb 9, 2016)
Ajin - Demi-Human TV Anime Posts Visual, Blu-ray/DVD Info (Dec 25, 2015)
Ajin - Demi-Human TV Anime Film Previewed in Video (Dec 19, 2015)
2nd Ajin Film Casts Jun Fukuyama, Set to Open Next May (Nov 27, 2015)
Ajin: Demi-Human Film Trilogy Unveils Teaser Trailer, Staff from Sidonia (Jun 4, 2015)
Seraph of the End Casts Hibiku Yamamura, Takuma Nagatsuka, Yuichiro Umehara (Mar 22, 2015)
Anime Limited to Simulcast Seraph of the End (Mar 18, 2015)
Seraph of the End's Additional Cast, Creator's Direct Involvement Revealed (Mar 15, 2015)
Seraph of the End's English-Subtitled Trailer, Split-Season Plans, More Cast Unveiled (Dec 19, 2014)
Convention report:
Anime Expo 2022 - MAPPA Team Discuss Chainsaw Man Anime (Jul 11, 2022)
Interest:
Anime Producer Yuichi Fukushima Endures Harassment Over DARLING in the FRANKXX Episode (Apr 17, 2018)
Interview:
Anime Expo 2022 - Behind the Scenes of Jujutsu Kaisen with MAPPA CEO, Lead Scriptwriter (Jul 18, 2022)
Press Release:
Anime Central Welcomes the Team Behind Vinland Saga (Feb 24, 2020)
Other articles: Show:
Revisiting the Attack on Titan OVAs (May 6, 2022)
The Spring 2020 Anime Preview Guide - Listeners (Apr 3, 2020)
The Summer 2019 Anime Preview Guide - Vinland Saga (Jul 7, 2019)
Anime Spotlight - Seraph of the End: Second Half (Oct 8, 2015)
Anime Spotlight - Seraph of the End (Mar 17, 2015)
You can contribute information to this page, but first you must
Staff in:
Ajin (TV) : Series Composition , Script (eps 7-13 odd) , Script Assistant (9 episodes
eps 1-6, 8, 10, 12
) 
Ajin (TV 2) : Series Composition , Script (10 episodes
eps 1-4, 6, 8, 10-13
) , Script Assistant (ep 5) 
Attack on Titan (TV) : Script (10 episodes
eps 3, 5-7, 10-11, 15, 17-18, 23
) , Script Assistant (eps 24-25)Attack on Titan (TV 3/2018) : Script (7 episodes
eps 40-41, 43-44, 46-47, 49
)Attack on Titan (TV 4/2019) : Script (7 episodes
eps 51-55, 57-58
) 
Attack on Titan The Final Season Part 2 (TV) : Series Composition , Script (eps 76-77)  (eps 78-79)DARLING in the FRANXX (TV) : Screenplay (4 episodes
eps 11, 14-15, 22
) 
Gurren Lagann (TV) : Production Advancement (6 episodes
eps 1, 10, 14, 20, 24, 27
)Panty & Stocking with Garterbelt (TV) : Script (2 episodes
eps 4 script, 10
)  (eps 14, 24-25) , Production Advancement (7 episodes
eps 9, 14-15, 23-26
) 
Seraph of the End: Battle in Nagoya (TV) : Series Composition , Script  (eps 13-24)Seraph of the End: Vampire Reign (TV) : Series Composition , ScreenplayZom 100: Bucket List of the Dead (TV) : Series Composition , Script (ep 1)  (eps 2-12) 
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