Những bài hát của ca sỹ "Ken Hirai"
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Kokuhaku (Less Vocal)
Ken Hirai
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Boku Ha Kimi Ni Koi Wo Suru (Rei Harakami Remix)
Ken Hirai
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Brand New Bike
Ken Hirai
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World End
Ken Hirai
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Strawberry Sex (Less Vocal)
Ken Hirai
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Onnajisamishisa (Less Vocal)
Ken Hirai
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Bye My Melody (HALFBY's music for momo REMIX)
Ken Hirai
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Kiss of Life (Less Vocal)
Ken Hirai
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Missin' You -It Will Break My Heart (Remix Ascended)
Ken Hirai
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Okina Furudokei (Ken's Bar Live Version)
Ken Hirai
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Bye My Melody (Less Vocal)
Ken Hirai
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Kusare Enn
Ken Hirai
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Plus One (KSUKE Remix)
Ken Hirai
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Mahoutte Itte Iikana? (Less Vocal)
Ken Hirai
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Fake Star (Instrumental)
Ken Hirai
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Run To You
Ken Hirai
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Elegy (Less Vocal)
Ken Hirai
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Fake Star Ken's Swingin' Jazz
Ken Hirai
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POP STAR / fake star (MASH UP version)
Ken Hirai
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Missin' You -It Will Break My Heart (Instrumental)
Ken Hirai
