| 作词 : 시여주 | |
| 作曲 : Seoduck/시여주 | |
| [가사] 서덕 – Butterfly | |
| When I see you I see you 이런 느낌 | |
| When I see you I see you 이런 떨림 | |
| It’s a butterfly It’s a butterfly | |
| 너만 보면 울렁거려 | |
| 나비들이 날아다녀 | |
| 뱃속에서 간지럽게 | |
| It’s a butterfly It’s a butterfly | |
| 수많은 발자국 소리 중에 | |
| 하나의 걸음걸이만 들려 | |
| 이내 또 고개를 돌려보면 | |
| 니가 또 저 멀리서 눈에 보여 | |
| 그때부터 난 시작돼 | |
| 간질간질해 미쳐 | |
| When I see you I see you 이런 느낌 | |
| When I see you I see you 이런 떨림 | |
| It’s a butterfly It’s a butterfly | |
| 너만 보면 울렁거려 | |
| 나비들이 날아다녀 | |
| 뱃속에서 간지럽게 | |
| It’s a butterfly It’s a butterfly | |
| Let me level with you | |
| 안 믿겠지만 넌 | |
| 처음 볼 때부터 | |
| 내 속은 이상했어 | |
| 멈출 수 없어 no way | |
| 간질간질해 미쳐 | |
| When I see you I see you 이런 느낌 | |
| When I see you I see you 이런 떨림 | |
| It’s a butterfly It’s a butterfly | |
| 너만 보면 울렁거려 | |
| 나비들이 날아다녀 | |
| 뱃속에서 간지럽게 | |
| It’s a butterfly It’s a butterfly | |
| zuo ci : | |
| zuo qu : Seoduck | |
| Butterfly | |
| When I see you I see you | |
| When I see you I see you | |
| It' s a butterfly It' s a butterfly | |
| It' s a butterfly It' s a butterfly | |
| When I see you I see you | |
| When I see you I see you | |
| It' s a butterfly It' s a butterfly | |
| It' s a butterfly It' s a butterfly | |
| Let me level with you | |
| no way | |
| When I see you I see you | |
| When I see you I see you | |
| It' s a butterfly It' s a butterfly | |
| It' s a butterfly It' s a butterfly | |
| zuò cí : | |
| zuò qǔ : Seoduck | |
| Butterfly | |
| When I see you I see you | |
| When I see you I see you | |
| It' s a butterfly It' s a butterfly | |
| It' s a butterfly It' s a butterfly | |
| When I see you I see you | |
| When I see you I see you | |
| It' s a butterfly It' s a butterfly | |
| It' s a butterfly It' s a butterfly | |
| Let me level with you | |
| no way | |
| When I see you I see you | |
| When I see you I see you | |
| It' s a butterfly It' s a butterfly | |
| It' s a butterfly It' s a butterfly | |