Những bài hát của ca sỹ "Ken Hirai"
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Pop Star ~Winter Lover Version~
Ken Hirai
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Soredemo Shitai + Girls 3×
Ken Hirai
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お願いジュリー☆ (Onegai Jury☆)
Ken Hirai
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瞳をとじて (Hitomi Wo Tojite)
Ken Hirai
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TIME
Ken Hirai
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Candy (Suspicious Remix)
Ken Hirai
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Signal
Ken Hirai
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Sing Forever
Ken Hirai
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Precious Junk
Ken Hirai
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STAR
Ken Hirai
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Easy
Ken Hirai
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Hotsu
Ken Hirai
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Kasare En
Ken Hirai
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Somebody's Girl
Ken Hirai
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Egao
Ken Hirai
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POP STAR×fake star (MASH UP version)
Ken Hirai
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Negative
Ken Hirai
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TIME
Ken Hirai
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YUMING
Ken Hirai
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Style
Ken Hirai
