← Naoki Oka
PLUVIA
SAKI
PLUVIA · 2026
シアワセ♪
AiRI
なないろ航路 ボーカルミニアルバム 海と青空と歌声と · 2010
キミノトナリ
Clover
4HOPES · 2006
あなただけは…
Riryka
Brilliant sign · 2008
Moebius Loop
Mary's Blood
Bloody Palace · 2015
Infinite Love
Sweet Trap
I'm Dead
Bloody Birth Day
Grayish World
Ready to Go
Song for You
Crime and Punishment
Bite the Bullet
The Gate of Palace
チャイム
사쿠라 가쿠인
Sakura Gakuin 2015 Nendo: Kirameki no Kakera · 2016
Don't Let Me Down
Gacharic Spin
MUSIC BATTLER · 2015
負けるな! 青春ヒザコゾウ
Sakura Gakuin 2013 Nendo: Kizuna · 2014
Kioku no Umi (instrumental)
Naoki Oka
School Days TV Ending Theme+ · 2007
Kioku no Umi
yozuca*
Ageha · 2008
Chime
Sakura Gakuin 2010 Nendo: Message · 2011
アイコトバ
Aiko Andou(이구치 유카)
true tears 5th Anniversary Box · 2013
雨の夜 虹の朝
Hiromi Yuasa(나즈카 카오리)
もうひとつの空
Noe Isurugi(타카가키 아야히)
Humming Bird (instrumental)
Tsumugi Kotobuki(CV:코토부키 미나코)
K-ON! character image song series Kotobuki Tsumugi · 2009
Humming Bird
Egao
마쓰우라 아야
Double Rainbow · 2007
true love? (off vocal)
Aki Misato
Kuchibiru Daydream · 2006
true love?
Sincerely · 2006