Ichiro Okouchi

Writing • 84 Credits

Biography

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.

✍️ Written & Story Credits (41)

Screenplay, Novel & Story
SPY x FAMILY

SPY x FAMILY

2022 ⭐ 4.3
Writer
Code Geass: Lelouch of the Rebellion

Code Geass: Lelouch of the Rebellion

2006 ⭐ 4.2
Writer
Kaiju No. 8

Kaiju No. 8

2024 ⭐ 4.2
Writer
Devilman Crybaby

Devilman Crybaby

2018 ⭐ 3.9
Writer
SPY x FAMILY CODE: White

SPY x FAMILY CODE: White

2023 ⭐ 3.6
Screenplay
Berserk: The Golden Age Arc I - The Egg of the King

Berserk: The Golden Age Arc I - The Egg of the King

2012 ⭐ 3.6
Writer
Berserk: The Golden Age Arc II - The Battle for Doldrey

Berserk: The Golden Age Arc II - The Battle for Doldrey

2012 ⭐ 3.6
Screenplay
Berserk: The Golden Age Arc III - The Advent

Berserk: The Golden Age Arc III - The Advent

2013 ⭐ 3.9
Screenplay
SK8 the Infinity

SK8 the Infinity

2021 ⭐ 4.2
Writer
Black Butler

Black Butler

2008 ⭐ 3.9
Writer
Guilty Crown

Guilty Crown

2011 ⭐ 3.7
Writer
Kabaneri of the Iron Fortress

Kabaneri of the Iron Fortress

2016 ⭐ 3.5
Writer
Wolf's Rain

Wolf's Rain

2003 ⭐ 3.9
Writer
Berserk: The Golden Age Arc – Memorial Edition

Berserk: The Golden Age Arc – Memorial Edition

2022 ⭐ 4.3
Screenplay
Lupin the 3rd

Lupin the 3rd

1971 ⭐ 4.0
Writer
Code Geass: Lelouch of the Re;surrection

Code Geass: Lelouch of the Re;surrection

2019 ⭐ 3.6
Screenplay
Azumanga Daioh

Azumanga Daioh

2002 ⭐ 4.0
Writer
Kaiju No. 8: Mission Recon

Kaiju No. 8: Mission Recon

2025 ⭐ 4.0
Screenplay
Mobile Suit Gundam: The Witch from Mercury

Mobile Suit Gundam: The Witch from Mercury

2022 ⭐ 3.7
Writer
Seven Days War

Seven Days War

2019 ⭐ 3.3
Screenplay
Planetes

Planetes

2003 ⭐ 4.0
Writer
Brave Story

Brave Story

2006 ⭐ 3.2
Writer
Sing a Bit of Harmony

Sing a Bit of Harmony

2021 ⭐ 3.7
Screenplay
Eureka Seven

Eureka Seven

2005 ⭐ 3.7
Writer
Code Geass: Lelouch of the Rebellion I - Initiation

Code Geass: Lelouch of the Rebellion I - Initiation

2017 ⭐ 3.5
Screenplay
Code Geass: Lelouch of the Rebellion II - Transgression

Code Geass: Lelouch of the Rebellion II - Transgression

2018 ⭐ 3.5
Screenplay
RahXephon

RahXephon

2002 ⭐ 3.6
Writer
Princess Principal

Princess Principal

2017 ⭐ 3.6
Writer
Code Geass: Lelouch of the Rebellion III - Glorification

Code Geass: Lelouch of the Rebellion III - Glorification

2018 ⭐ 3.7
Writer
Fusé: Memoirs of a Huntress

Fusé: Memoirs of a Huntress

2012 ⭐ 3.4
Screenplay
Valvrave the Liberator

Valvrave the Liberator

2013 ⭐ 3.4
Writer
Hakumei and Mikochi

Hakumei and Mikochi

2018 ⭐ 4.0
Screenplay
LUPIN ZERO

LUPIN ZERO

2022 ⭐ 3.7
Writer
Kabaneri of the Iron Fortress: Light That Gathers

Kabaneri of the Iron Fortress: Light That Gathers

2016 ⭐ 4.0
Screenplay
Battle Doll: Angelic Layer

Battle Doll: Angelic Layer

2001 ⭐ 3.6
Writer
RahXephon: Pluralitas Concentio

RahXephon: Pluralitas Concentio

2003 ⭐ 2.9
Screenplay
Shigofumi: Letters from the Departed

Shigofumi: Letters from the Departed

2008 ⭐ 2.8
Writer
Code Geass: Lelouch of the Rebellion Special Edition Black Rebellion

Code Geass: Lelouch of the Rebellion Special Edition Black Rebellion

2008 ⭐ 3.6
Screenplay
You and Idol Precure

You and Idol Precure

2025 ⭐ 2.6
Writer
Overman King Gainer

Overman King Gainer

2002 ⭐ 4.2
Writer
Red Ash: Gearworld

Red Ash: Gearworld

2017 ⭐ 3.0
Screenplay