Ichirō Ōkouchi

Ichirō Ōkouchi (大河内 一楼, Ōkouchi Ichirō, born 28 March 1968) is a Japanese screenwriter and novelist. He is a graduate of the School of Human Sciences in Waseda University.^[1]

Ōkouchi is best known for collaborating with director Gorō Taniguchi for composing the story and script of the Sunrise original production, Code Geass: Lelouch of the Rebellion in 2006 and its sequel Code Geass: Lelouch of the Rebellion R2 in 2008.

• Turn A Gundam (Episodic screenplay; 1999–2000)
• Angelic Layer (Series composition, screenplay; 2001)
• Project ARMS (Episodic screenplay; 2001)
• Overman King Gainer (Series composition, screenplay; 2002)
• Azumanga Daioh (Series composition, screenplay; 2002)
• RahXephon (Episodic screenplay; 2002)
• Wolf’s Rain (Episodic screenplay; 2003)
• Stellvia (Episodic screenplay; 2003)
• Planetes (Series composition, screenplay; 2003–2004)
• Mahou Sensei Negima! (Series composition, screenplay; 2005)
• Eureka Seven (Episodic screenplay; 2005)
• Code Geass: Lelouch of the Rebellion (Original story, series composition, screenplay; 2006–2007)
• Code Geass: Lelouch of the Rebellion R2 (Original story, series composition, screenplay; 2008)
• Shigofumi: Letters from the Departed (Series composition, screenplay; 2008)
• Guilty Crown (Assistant series composition, episodic screenplay; 2011–2012)
• Valvrave the Liberator (Series composition, screenplay; 2013)^[2]
• M3: The Dark Metal (Episodic screenplay; 2014)
• Space Dandy (Screenplay for Episode 5; 2014)
• Black Butler: Book of Circus (2014)
• Comet Lucifer (Episodic screenplay; 2015)
• Heavy Object (Episodic screenplay; 2015–2016)
• Kabaneri of the Iron Fortress (Series composition, screenplay; 2016)^[3]
• Princess Principal (Series composition, screenplay for Episodes 1 to 10; 2017)^[4]
• Devilman Crybaby (Series composition, screenplay; 2018)^[5]
• Hakumei and Mikochi (Screenplay for Episodes 4 and 7; 2018)
• Lupin the Third Part 5 (Series composition, screenplay; 2018)^[6]
• SK8 the Infinity (Series composition; 2021–present)^[7]
• Mobile Suit Gundam: The Witch from Mercury (Series composition, screenplay; 2022)^[8]
• Spy × Family: Season 2 (Series composition, screenplay; 2023)^[9]
• Kaiju No. 8 (Series composition, screenplay; 2024)^[10]
• Grendizer U (Series composition, screenplay; 2024)^[11]

• Brave Story (2006)
• Magic Tree House (2011)
• Berserk: The Golden Age Arc
  • I: The Egg of the King (2012)
  • II: The Battle for Doldrey (2012)
  • III: The Advent (2013)
• Code Geass: Lelouch of the Rebellion
  • I: Initiation (2017)
  • II: Transgression (2018)
  • III: Glorification (2018)
• Code Geass Lelouch of the Re;surrection (2019)
• Fuse Teppō Musume no Torimonochō (2019)
• Seven Days War (2019)
• Sing a Bit of Harmony (Co-writer; 2021)^[12]
• Spy × Family Code: White (2023)^[9]

• The 08th MS Team: Battle in Three Dimensions (2013)
• SK8 the Infinity Extra Part (2025)^[13]

• Lupin Zero (2022)^[14]

• Revolutionary Girl Utena 1: Ao no Sōjo (1998)
• Revolutionary Girl Utena 2: Midori no Omoi (1998)
• Martian Successor Nadesico: Ruri no Kōkai Nisshi (1998)
• Martian Successor Nadesico: Channel ha Ruriruri De (1998)
• Martian Successor Nadesico: Ruri A Kara B he no Monogatari (1999)
• Mobile Suit Gundam: The 08th MS Team (1999)
• Cyber Team in Akihabara: Tsubame Hatsu Taiken!? Club Katsudō Sentō Chū (1999)
• Starbows (2001)
• A Little Snow Fairy Sugar (2002)

Sources:^{[15][user-generated source]}

• Ichirō Ōkouchi at Anime News Network's encyclopedia

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