(Intro)
My day and night (x4)
(pre-Hook)
My day and night (is You)
My day and night (is You x2)
My day and night (is You. My day n Night is You)
My day and night (is You)
(Hook)
My day and night (x2) My day and night (x2)
My day and night (x2) My day and night (x2)
(Verse)
잠을깬 내앞에 놓인건 까맣게 타버린 네 미소
니 향기가 남은 그 셔츠 안에서 다신널 볼 수 없단 생각에 내 맘이 찢어져
아프게 했었던 기억도 하얗게 잊었던 추억도... 잊은줄 알았어
내 바보 같은 머리가 이렇게 힘들게 해
(pre-Hook2)
My day and night (모두 너 였는데)
My day and night (전부 너 였는데)
My day and night (My day n Night is You)
My day and night (It was You. It was You..)
(Hook)
My day and night (x2) My day and night (x2)
My day and night (x2) (My day n Night is You. My day n Night is You.)
My day and night (x2) (My day n Night is You. My day n Night is You.)
(Bridge)
Oh~ Why don't You love me? i Love you. love you. love you. love you.
(Hook)
My day and night (x2) My day and night (x2)
My day and night (x2) (My day n Night is You. My day n Night is You.)
My day and night (x2) (My day n Night is You. My day n Night is You.)
My day n Night is You!