Soichi Masui

Biography

Souichi Masui (増井 壮一, Masui Sōichi, born 1966) is a Japanese anime director and storyboard artist from Urawa City, Saitama Prefecture (currently Saitama City). He sometimes works under the pseudonym Kazuma Mizukusa (水草一馬).

Known for

HD

Rascal Does Not Dream of a Knapsack Kid

2023 ⭐ 7.7

HD

Rascal Does Not Dream of a Sister Venturing Out

2023 ⭐ 7.7

HD

Rascal Does Not Dream of a Dreaming Girl

2019 ⭐ 8.2

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Crayon Shin-chan: Invoke a Storm! Me and the Space Princess

2012 ⭐ 6.6

Career timeline

2026

Rascal Does Not Dream of a Dear Friend

2026

2023

Rascal Does Not Dream of a Knapsack Kid Notable

2023

⭐ 7.7

Rascal Does Not Dream of a Sister Venturing Out Notable

2023

⭐ 7.7

2019

Rascal Does Not Dream of a Dreaming Girl Notable

2019

⭐ 8.2

2012

Crayon Shin-chan: Invoke a Storm! Me and the Space Princess

2012

⭐ 6.6

2011

Crayon Shin-chan: Fierceness That Invites Storm! Operation Golden Spy

2011

⭐ 6.8

2003

RahXephon Interlude: Her and Herself/Thatness and Thereness

2003

2000

The Truth of Grimm Brothers' Fairy Tales

2000

The Truth of Japanese Fairy Tales

2000

1999

True School Ghosts

1999

⭐ 4.0

Frequently appears with

Kaito Ishikawa

Sakuta Azusagawa (voice)

Asami Seto

Mai Sakurajima (voice)

Yurika Kubo

Kaede Azusagawa (voice)

Nao Toyama

Tomoe Koga (voice)

Atsumi Tanezaki

Rio Futaba (voice)

Full filmography

HD

Rascal Does Not Dream of a Dear Friend

2026

HD

Rascal Does Not Dream of a Knapsack Kid

2023 ⭐ 7.7

HD

Rascal Does Not Dream of a Sister Venturing Out

2023 ⭐ 7.7

HD

Rascal Does Not Dream of a Dreaming Girl

2019 ⭐ 8.2

HD

Crayon Shin-chan: Invoke a Storm! Me and the Space Princess

2012 ⭐ 6.6

HD

Crayon Shin-chan: Fierceness That Invites Storm! Operation Golden Spy

2011 ⭐ 6.8

HD

RahXephon Interlude: Her and Herself/Thatness and Thereness

2003

HD

The Truth of Grimm Brothers' Fairy Tales

2000

HD

The Truth of Japanese Fairy Tales

2000

HD

True School Ghosts

1999 ⭐ 4.0