🎬 composer
Hajime Hyakkoku百石元
Music and Theme Song Arrangement on K-ON!, Saekano: How to Raise a Boring Girlfriend and K-ON! Season 2.
- anime credits
- 22
- anime credits
- most credited as
- Music
- most credited as
- busiest year (4)
- 2017
- busiest year (4)

Best-known work
K-ON!Music · 2009
Saekano: How to Raise a Boring GirlfriendMusic · 2015
K-ON! Season 2Music · 2010
NEW GAME!Music · 2016
Saekano: How to Raise a Boring Girlfriend ♭Music · 2017
K-ON!: The MovieMusic · 2011
NEW GAME!!Music · 2017
Boogiepop and OthersTheme Song Performance · 2019
Saekano the Movie: FinaleMusic · 2019
K-ON!: Live House!Music · 2010
GJ ClubMusic · 2013
K-ON! Season 2: Plan!Music · 2011
Credits per year
Anime Hajime Hyakkoku worked on, by premiere year
024
4 in 2017
091011121314151617181920212223242526
Show as table
| Item | Credits |
|---|---|
| 09 | 1 in 2009 |
| 10 | 2 in 2010 |
| 11 | 2 in 2011 |
| 12 | 0 in 2012 |
| 13 | 1 in 2013 |
| 14 | 3 in 2014 |
| 15 | 1 in 2015 |
| 16 | 1 in 2016 |
| 17 | 4 in 2017 |
| 18 | 1 in 2018 |
| 19 | 3 in 2019 |
| 20 | 1 in 2020 |
| 21 | 0 in 2021 |
| 22 | 0 in 2022 |
| 23 | 0 in 2023 |
| 24 | 0 in 2024 |
| 25 | 1 in 2025 |
| 26 | 1 in 2026 |
All credits
- 2026
Ace of the Diamond act II -Second Season-Music - 2025
monoMusic - 2020
Warlords of SigrdrifaMusic - 2019
Boogiepop and OthersTheme Song Performance, Music - 2019
Saekano the Movie: FinaleMusic - 2019
Ace of the Diamond act IIMusic - 2018
Encouragement of Climb Season 3Insert Song Arrangement, Insert Song Composition - 2017
Saekano: How to Raise a Boring Girlfriend ♭Music - 2017
NEW GAME!!Music - 2017
NEW GAME!: Watashi, Shainryokoutte Hajimete na no de...Music - 2017
Fastest Finger FirstMusic - 2016
NEW GAME!Music - 2015
Saekano: How to Raise a Boring GirlfriendMusic - 2014
Gugure! Kokkuri-sanMusic - 2014
Encouragement of Climb Season 2Theme Song Arrangement - 2014
GJ-bu@Music - 2013
GJ ClubMusic - 2011
K-ON!: The MovieMusic, Theme Song Arrangement - 2011
K-ON! Season 2: Plan!Music - 2010
K-ON! Season 2Music - 2010
K-ON!: Live House!Music - 2009
K-ON!Music
Frequently asked questions
What anime has Hajime Hyakkoku worked on?
Hajime Hyakkoku's best-known work includes K-ON! (Music), Saekano: How to Raise a Boring Girlfriend (Music), K-ON! Season 2 (Music), NEW GAME! (Music), Saekano: How to Raise a Boring Girlfriend ♭ (Music), K-ON!: The Movie (Music).
What does Hajime Hyakkoku do?
Hajime Hyakkoku is credited most often as music, theme song arrangement, theme song performance on anime.
When was Hajime Hyakkoku born?
Hajime Hyakkoku was born on November 24, 1958.