Skip to main content
Photo of Soichi Masui

Soichi Masui

Urawa, Saitama, JapanBorn March 29, 1966

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).

Filmography9

Rascal Does Not Dream of a Dear Friend

Rascal Does Not Dream of a Dear Friend

2026
Rascal Does Not Dream of a Knapsack Kid

Rascal Does Not Dream of a Knapsack Kid

2023
Rascal Does Not Dream of a Sister Venturing Out

Rascal Does Not Dream of a Sister Venturing Out

2023
Rascal Does Not Dream of a Dreaming Girl

Rascal Does Not Dream of a Dreaming Girl

2019
Crayon Shin-chan: Fierceness That Invites Storm! Me and the Space Princess

Crayon Shin-chan: Fierceness That Invites Storm! Me and the Space Princess

2012
Crayon Shinchan the Movie: The Storm Called: Operation Golden Spy

Crayon Shinchan the Movie: The Storm Called: Operation Golden Spy

2011
RahXephon Interlude: Her and Herself/Thatness and Thereness

RahXephon Interlude: Her and Herself/Thatness and Thereness

2003
The Truth of Grimm Brothers' Fairy Tales

The Truth of Grimm Brothers' Fairy Tales

2000
True School Ghosts

True School Ghosts

1999