🎬 animator
Seiko Asai朝井聖子
Animation Director and Key Animation on Sword Art Online II, Anohana: The Flower We Saw That Day and Wotakoi: Love is Hard for Otaku.
- anime credits
- 20
- anime credits
- most credited as
- Animation Director
- most credited as
- busiest year (2)
- 2014
- busiest year (2)

Best-known work
Sword Art Online IIKey Animation · 2014
Anohana: The Flower We Saw That DayKey Animation · 2011
Wotakoi: Love is Hard for OtakuProp Design · 2018
Kaiju No. 8Key Animation · 2024
Fullmetal AlchemistKey Animation · 2003
MUSHI-SHIKey Animation · 2005
BLEACH: Thousand-Year Blood War - The SeparationAnimation Director · 2023
The Last: Naruto the MovieKey Animation · 2014
Fate/ApocryphaKey Animation · 2017
SCHOOL-LIVE!Key Animation · 2015
Puella Magi Madoka Magica the Movie -Rebellion-Key Animation · 2013
SHADOWS HOUSEKey Animation · 2021
Credits per year
Anime Seiko Asai worked on, by premiere year
012
2 in 2014
0304050607080910111213141516171819202122232425
Show as table
| Item | Credits |
|---|---|
| 03 | 1 in 2003 |
| 04 | 0 in 2004 |
| 05 | 1 in 2005 |
| 06 | 0 in 2006 |
| 07 | 0 in 2007 |
| 08 | 0 in 2008 |
| 09 | 0 in 2009 |
| 10 | 1 in 2010 |
| 11 | 2 in 2011 |
| 12 | 2 in 2012 |
| 13 | 1 in 2013 |
| 14 | 2 in 2014 |
| 15 | 2 in 2015 |
| 16 | 0 in 2016 |
| 17 | 1 in 2017 |
| 18 | 1 in 2018 |
| 19 | 1 in 2019 |
| 20 | 0 in 2020 |
| 21 | 2 in 2021 |
| 22 | 0 in 2022 |
| 23 | 1 in 2023 |
| 24 | 1 in 2024 |
| 25 | 1 in 2025 |
All credits
- 2025
ZENSHUKey Animation - 2024
Kaiju No. 8Key Animation - 2023
BLEACH: Thousand-Year Blood War - The SeparationAnimation Director, Key Animation - 2021
SHADOWS HOUSEKey Animation - 2021
Sword Art Online the Movie -Progressive- Aria of a Starless NightAnimation Director, Action Animation Director - 2019
Wotaku ni Koi wa Muzukashii OVAProp Design - 2018
Wotakoi: Love is Hard for OtakuProp Design, Animation Director, Key Animation - 2017
Fate/ApocryphaKey Animation - 2015
SCHOOL-LIVE!Key Animation - 2015
Boruto: Naruto the MovieAnimation Director - 2014
Sword Art Online IIKey Animation - 2014
The Last: Naruto the MovieKey Animation, Animation Director - 2013
Puella Magi Madoka Magica the Movie -Rebellion-Key Animation - 2012
Road to Ninja: Naruto the MovieKey Animation - 2012
Code:BreakerKey Animation - 2011
Anohana: The Flower We Saw That DayKey Animation - 2011
Naruto Shippuden the Movie: Blood PrisonKey Animation - 2010
Naruto Shippuden the Movie: The Lost TowerKey Animation - 2005
MUSHI-SHIKey Animation - 2003
Fullmetal AlchemistKey Animation
Frequently asked questions
What anime has Seiko Asai worked on?
Seiko Asai's best-known work includes Sword Art Online II (Key Animation), Anohana: The Flower We Saw That Day (Key Animation), Wotakoi: Love is Hard for Otaku (Prop Design), Kaiju No. 8 (Key Animation), Fullmetal Alchemist (Key Animation), MUSHI-SHI (Key Animation).
What does Seiko Asai do?
Seiko Asai is credited most often as animation director, key animation, prop design on anime.