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SPARKLE

さかいゆう, Ovall, Kan Sano, Michael Kaneko, Hiro-a-key

Life is (feat. Hiro-a-key)

AmPm, Hiro-a-key

Dope (feat. Hiro-a-key & Kyo Itachi)

Omen44, Hiro-a-key, Kyo Itachi

Kyūsai - 救済 Arranged by Hiro-a-key

岡部啓一, Hiro-a-key

君をさがしてた

CHEMISTRY, Michael Kaneko, Hiro-a-key

イツモソバ二 (Instrumental)

MIDICRONICA, Hiro-a-key, Shin-Ski

My Gift to You

CHEMISTRY, Kan Sano, Hiro-a-key

Be There

Shunji Fujii, Hiro-a-key

イツモソバ二

MIDICRONICA, Hiro-a-key, Shin-Ski

SPARKLE

さかいゆう, Ovall, Kan Sano, Michael Kaneko, Hiro-a-key

DOWN TOWN

さかいゆう, Ovall, Michael Kaneko, Hiro-a-key, さらさ

Live It Up (feat. Hiro-a-key & ROOT SOUL)

DYM MESSENGERS, Hiro-a-key, ROOT SOUL

Bud

Hiro-a-key

Bud (feat. Hiro-a-key)

Namy& Friends, Hiro-A-Key

Only Human (feat. aimi & Hiro-a-key)

Medical Concierge I'moon, aimi, Hiro-a-key

My Gift to You

CHEMISTRY, Kan Sano, Hiro-a-key

君をさがしてた

CHEMISTRY, Michael Kaneko, Hiro-a-key

Only Human (feat. aimi & Hiro-a-key) [Instrumental]

Medical Concierge I'moon, aimi, Hiro-a-key

I’m Flying High (feat. Hiro-a-key)

LIFULL ALT-RHYTHM, Hiro-a-key

Only Human (feat. aimi & Hiro-a-key) [Instrumental]

Medical Concierge I'moon, aimi, Hiro-a-key

Bud (feat. Hiro-A-Key)

Namy& Friends, Hiro-A-Key

I'm Flying High (feat. Hiro-a-key)

LIFULL ALT-RHYTHM, Hiro-a-key

I'm Flying High (feat. Hiro-a-key) [short ver.]

LIFULL ALT-RHYTHM, Hiro-a-key

Life is (Instrumental) [feat. Hiro-a-key]

AmPm, Hiro-a-key

Unexpected (feat. Hiro-a-key)

石川雅道, Hiro-a-key

Be There (181 Turn off the TV Remix)

MIDICRONICA 181, Hiro-a-key

Live It Up (feat. Hiro-a-key & ROOT SOUL)

DYM MESSENGERS, Hiro-a-key, ROOT SOUL

Only Human (feat. aimi & Hiro-a-key)

Medical Concierge I'moon, aimi, Hiro-a-key

Be There (feat. Hiro-a-key)

ATARITE, Hiro-a-key

Dance The Night Away (feat. Hiro-a-key)

45trio, Hiro-a-key