Những bài hát của ca sỹ "Ken Hirai"
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Uta
Ken Hirai
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White - Bokuni Aitai
Ken Hirai
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Shiranaindesho?
Ken Hirai
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Mahoutte Itte Iikana? (Ken's Bar 2017 X'mas Special Live!!)
Ken Hirai
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Itemotattemo
Ken Hirai
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Ready for Your Love
Ken Hirai
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Negative Boy
Ken Hirai
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Air Cameraman
Ken Hirai
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Soredemoshitai (Less Vocal)
Ken Hirai
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Aishiteru (Less Vocal)
Ken Hirai
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Kimi Wa Tomodachi (Ken's Bar 2017 X'mas Special Live!!)
Ken Hirai
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Shiranaindesho? (Less Vocal)
Ken Hirai
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Ho
Ken Hirai
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Okina Furudokei (Ken's Bar Live Version)
Ken Hirai
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Tomorrow
Ken Hirai
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Kimiwa tomodachi (Soul Source Production Mix)
Ken Hirai
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Strawberry Sex (Less Vocal)
Ken Hirai
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Elegy (Ken's Bar 2017 X'mas Special Live!!)
Ken Hirai
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Boku Wa Kimi Ni Koi o Suru (Less Vocal)
Ken Hirai
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Kawaisoudayone
Ken Hirai
