• 祈り花 2020 - Dai Hirai・EIGO (ONEly Inc.) - 2020-06-03
• Beautiful (English version) - Dai Hirai - 2016-11-09
• Life is Beautiful (English version) - Dai Hirai - 2016-11-09
• Promise 〜forever〜 - Dai Hirai・EIGO - 2014-11-12
• Summertime Poppin' - Dai Hirai - 2014-11-12
• Promise 〜forever〜 (English ver.) - Dai Hirai・EIGO - 2014-11-12
• Island boy feat.平井大 - Dai Hirai・ALEXXX - 2014-07-30
• The Light〜青い空〜 - Dai Hirai - 2014-01-29
• Winter Snow Magic - Dai Hirai - 2014-01-29
• Together - Dai Hirai - 2014-01-29
• Beautiful - Dai Hirai - 2014-01-29
• Sweet Home - Dai Hirai - 2013-07-24
• I'll be there for you - Dai Hirai - 2013-07-24
• Dream - Dai Hirai - 2013-07-24
• Outro 〜Under the Tree〜 - Dai Hirai - 2013-07-24
• Ocean Wave - Dai Hirai - 2013-07-24
• Island Chicken - Dai Hirai - 2012-05-16
• Sparkling - Dai Hirai - 2012-05-16
• The road to Happiness〜ISLANDream part.2〜 - Dai Hirai - 2012-05-16
• Island Princess feat. ALEXXX - Dai Hirai・ALEXXX - 2012-05-16
• ALOHA - Dai Hirai - 2012-05-16
• Dream goes on - Dai Hirai - 2012-05-16
• For The Future 2012 - Dai Hirai・EIGO - 2012-05-16
• Last September - Dai Hirai - 2012-05-16
• 祈り花 - Dai Hirai・EIGO - 2011-10-19
• Island Queen feat. ALEXXX - Dai Hirai・ALEXXX - 2011-10-19
• Don't Worry - Dai Hirai - 2011-10-19
• ONE - Dai Hirai - 2011-10-19
• ONE LOVE～Pacific Harmony～ - Dai Hirai・JUN・ZANE - 2011-05-11