| Artist | : | DAY6 ＜The Book of Us : Negentropy＞ Lyric Film ④ "Only(둘도 아닌 하나)" |
| Title | : | JYP Entertainment |
| Duration | : | 24 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | DAY6 ＜The Book of Us : Negentropy＞ Lyric Film ④ "Only(둘도 아닌 하나)" |
| Title | : | JYP Entertainment |
| Duration | : | 24 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |