No reviews available.
Disc1
| 1 | Buenos Aires | IZ*ONE | 4:20 |
| 2 | Tomorrow | IZ*ONE | 3:05 |
| 3 | 年下Boyfriend | IZ*ONE | 3:53 |
| 4 | Buenos Aires (instrumental) | IZ*ONE | 4:20 |
| 5 | Tomorrow (instrumental) | IZ*ONE | 3:05 |
| 6 | 年下Boyfriend (instrumental) | IZ*ONE | 3:53 |
Disc2
| 1 | Buenos Aires Music Video | IZ*ONE | 4:30 |
| 2 | 年下Boyfriend Music Video | IZ*ONE | 3:56 |