🎬 director
Keiichirou Saitou斎藤圭一郎
Director and Key Animation on Frieren: Beyond Journey’s End, OSHI NO KO and WONDER EGG PRIORITY.
- anime credits
- 13
- anime credits
- most credited as
- Director
- most credited as
- busiest year (4)
- 2021
- busiest year (4)

Best-known work
Frieren: Beyond Journey’s EndDirector · 2023
OSHI NO KOKey Animation · 2023
WONDER EGG PRIORITYKey Animation · 2021
BOCCHI THE ROCK!Director · 2022
Mob Psycho 100 IIIKey Animation · 2022
Frieren: Beyond Journey’s End Season 2Direction Assistance · 2026
My Dress-Up Darling Season 2Storyboard · 2025
GAMERS!Key Animation · 2017
takt op.DestinyKey Animation · 2021
Little Witch Academia (TV)Key Animation · 2017
Takopi's Original SinKey Animation · 2025
I've Been Killing Slimes for 300 Years and Maxed Out My LevelKey Animation · 2021
Credits per year
Anime Keiichirou Saitou worked on, by premiere year
024
4 in 2021
17181920212223242526
Show as table
| Item | Credits |
|---|---|
| 17 | 2 in 2017 |
| 18 | 0 in 2018 |
| 19 | 0 in 2019 |
| 20 | 0 in 2020 |
| 21 | 4 in 2021 |
| 22 | 2 in 2022 |
| 23 | 2 in 2023 |
| 24 | 0 in 2024 |
| 25 | 2 in 2025 |
| 26 | 1 in 2026 |
All credits
- 2026
Frieren: Beyond Journey’s End Season 2Direction Assistance, Storyboard - 2025
My Dress-Up Darling Season 2Storyboard - 2025
Takopi's Original SinKey Animation - 2023
Frieren: Beyond Journey’s EndDirector, Storyboard, Episode Director, 2nd Key Animation, Key Animation - 2023
OSHI NO KOKey Animation, Finishing, In-Between Animation - 2022
BOCCHI THE ROCK!Director, Storyboard, Episode Director, Key Animation - 2022
Mob Psycho 100 IIIKey Animation - 2021
WONDER EGG PRIORITYKey Animation - 2021
takt op.DestinyKey Animation - 2021
I've Been Killing Slimes for 300 Years and Maxed Out My LevelKey Animation - 2021
Sonny BoyKey Animation, Storyboard, Episode Director - 2017
GAMERS!Key Animation - 2017
Little Witch Academia (TV)Key Animation
Frequently asked questions
What anime has Keiichirou Saitou worked on?
Keiichirou Saitou's best-known work includes Frieren: Beyond Journey’s End (Director), OSHI NO KO (Key Animation), WONDER EGG PRIORITY (Key Animation), BOCCHI THE ROCK! (Director), Mob Psycho 100 III (Key Animation), Frieren: Beyond Journey’s End Season 2 (Direction Assistance).
What does Keiichirou Saitou do?
Keiichirou Saitou is credited most often as director, key animation, storyboard on anime.
When was Keiichirou Saitou born?
Keiichirou Saitou was born on January 18, 1993.