
Soichi Masui
- Known for
- Directing
- Born
- March 29, 1966
- Birthplace
- Urawa, Saitama, Japan
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).
Filmography

Rascal Does Not Dream of a Dear Friend 2026
Director

Rascal Does Not Dream of a Knapsack Kid 2023
Storyboard Artist, Director

Rascal Does Not Dream of a Sister Venturing Out 2023
Director, Storyboard Artist

Rascal Does Not Dream of a Dreaming Girl 2019
Storyboard Artist, Director

Crayon Shinchan the Movie: Awesome Tasty! B-grade Gourmet Survival!! 2013
Storyboard Artist

Crayon Shinchan the Movie: The Storm Called: Me and the Space Princess 2012
Director

UN-GO episode:0 INGA-RON 2011
Storyboard Artist

Crayon Shinchan the Movie: The Storm Called: Operation Golden Spy 2011
Director

Trigun: Badlands Rumble 2010
Storyboard Artist

Professor Layton and the Eternal Diva 2009
Storyboard Artist

Evangelion: 2.0 You Can (Not) Advance 2009
Storyboard Artist

Crayon Shinchan the Movie: The Storm Called: The Singing Buttocks Bomb 2007
Storyboard Artist

Fullmetal Alchemist the Movie: Conqueror of Shamballa 2005
Storyboard Artist

Pokémon: Lucario and the Mystery of Mew 2005
Storyboard Artist

RahXephon Interlude: Her and Herself/Thatness and Thereness 2003
Director

RahXephon: Pluralitas Concentio 2003
Storyboard Artist

The Truth of Japanese Fairy Tales 2000
Director

The Truth of Grimm Brothers' Fairy Tales 2000
Director

True School Ghosts 1999
Director
Credits from TMDB.