• Epitaph -for the future- - Hi-yunk(BACK-ON) - 2022-03-16
• Sure shot - Hi-yunk(BACK-ON) - 2022-03-02
• Doo-Bee-Doo-Bop - Hi-yunk(BACK-ON) - 2021-08-18
• キミトミタイセカイ - Hi-yunk(BACK-ON) - 2021-02-10
• BRIDGET SONG - Hi-yunk - 2017-03-08
• All for you - Hi-yunk - 2012-01-25
• LIFE so GOOD!! - Hi-yunk