Ichirou Ookouchi (大河内 一楼, Ōkouchi Ichirō, March 28, 1968) is a Japanese screenwriter and novelist from the city of Sendai, Miyagi Prefecture. He graduated from the Waseda University Faculty of Human Sciences.
2025Kaiju No. 8: Mission ReconMovieScreenplay
2025You and Idol PrecureTV showWriter · 1 episodes
2025SK8 the Infinity EXTRA PARTMovieSeries Composition
2024Code Geass: Rozé of the Recapture - Final ActMovieOriginal Story
2024Grendizer UTV showSeries Composition · 13 episodes
2024Code Geass: Rozé of the Recapture - Act 3MovieOriginal Story
2024Code Geass: Rozé of the Recapture - Act 2MovieOriginal Story
2024Code Geass: Rozé of the Recapture - Act 1MovieOriginal Story2024Kaiju No. 8TV showSeries Composition · Writer · 23 episodes2023SPY x FAMILY CODE: WhiteMovieScreenplay
2022LUPIN ZEROTV showSeries Composition · Writer · 6 episodes2022Berserk: The Golden Age Arc – Memorial EditionTV showWriter · Screenplay · 13 episodes2022Mobile Suit Gundam: The Witch from MercuryTV showSeries Composition · Writer · 24 episodes2022SPY x FAMILYTV showSeries Composition · Writer · 12 episodes
2021Sing a Bit of HarmonyMovieScreenplay2021SK8 the InfinityTV showSeries Composition · Writer · 12 episodes
2019Seven Days WarMovieScreenplay2019Kabaneri of the Iron Fortress: The Battle of UnatoMovieSeries Composition2019Code Geass: Lelouch of the Re;surrectionMovieScreenplay · Original Film Writer
2018Code Geass: Lelouch of the Rebellion III - GlorificationMovieWriter · Original Story
2018Code Geass: Lelouch of the Rebellion II - TransgressionMovieOriginal Story · Writer · Screenplay
2018Hakumei and MikochiTV showScreenplay · 2 episodes2018Devilman CrybabyTV showSeries Composition · Writer · 10 episodes
2017Code Geass: Lelouch of the Rebellion I - InitiationMovieWriter · Original Story · Story Editor · Screenplay
2017Princess PrincipalTV showSeries Composition · Writer · 12 episodes
2017Red Ash: GearworldMovieScreenplay
2017Kabaneri of the Iron Fortress: Life That BurnsMovieSeries Composition
2016Kabaneri of the Iron Fortress: Light That GathersMovieSeries Composition · Screenplay2016Kabaneri of the Iron FortressTV showWriter · Series Composition · 12 episodes
2016Code Geass: Akito the Exiled 5: To Beloved OnesMovieOriginal Film Writer
2015Code Geass: Akito the Exiled 4: Memories of HatredMovieOriginal Film Writer
2015Code Geass: Akito the Exiled 3: The Brightness FallsMovieOriginal Story
2013Code Geass: Akito the Exiled 2: The Wyvern DividedMovieOriginal Film Writer
2013Valvrave the LiberatorTV showWriter · Series Writer · Series Composition · 24 episodes2013Berserk: The Golden Age Arc III - The AdventMovieScreenplay
2012Fusé: Memoirs of a HuntressMovieScreenplay
2012Code Geass: Akito the Exiled 1: The Wyvern ArrivesMovieOriginal Film Writer2012Berserk: The Golden Age Arc II - The Battle for DoldreyMovieScreenplay2012Berserk: The Golden Age Arc I - The Egg of the KingMovieWriter
2012Magic Tree HouseMovieScenario Writer2011Guilty CrownTV showWriter · Series Composition · 22 episodes2008Black ButlerTV showWriter · 1 episodes
2008Code Geass: Lelouch of the Rebellion Special Edition Black RebellionMovieOriginal Story · Screenplay
2008Shigofumi: Letters from the DepartedTV showWriter · 13 episodes2006Code Geass: Lelouch of the RebellionTV showOriginal Story · Series Composition · Writer · 50 episodes
2006Brave StoryMovieWriter
2005Eureka SevenTV showWriter · 1 episodes
2005Negima!TV showSeries Composition · 26 episodes
2003PlanetesTV showSeries Composition · Writer · 26 episodes
2003RahXephon: Pluralitas ConcentioMovieScreenplay2003Wolf's RainTV showWriter · 1 episodes
2002Overman King GainerTV showSeries Composition · Writer · 26 episodes2002Azumanga DaiohTV showSeries Composition · Writer · 26 episodes
2002RahXephonTV showWriter · 4 episodes
2001Battle Doll: Angelic LayerTV showWriter · Series Composition · 26 episodes1971Lupin the 3rdTV showWriter · Series Composition · 24 episodes