← Hiroki Koga
タイトルデモ[QMA3]
Hiroki Koga・Jou Kawashima
QUIZ MAGIC ACADEMY GRAND TRACKS · 2017
綠の風
Naya~n
NOSTALGIA Music Collection 〜Op.1〜 · 2020
Geiselhaus
Sarastro
pop'n music 17 THE MOVIE ORIGINAL SOUNDTRACK · 2009
Entrance
Naya~n with Eiichiro Taruki
ee'MALL & ee'MALL 2nd avenue SOUND TRACKS · 2006
PARADE OF THE WOODEN SOLDIERS
Hiroki Koga
KEYBOARDMANIA 3rd MIX Original Soundtracks · 2001
お江戸花吹雪
Kaori Takada
pop'n music 2 original soundtracks ★ new songs collection · 1999
Holy Forest (Long Ver.)
pop'n music 10 AC ♥ CS pop'n music 8 · 2003
Holy Forest
悪の野望はブルース
Naya~n Brothers Band
pop’n music 6 original soundtrack · 2001
Lucifer
Naya~n Jr.