Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1.1 | again | YUI | 4:18 |
| 1.2 | Sea | YUI | 3:35 |
| 1.3 | SUMMER SONG ～YUI Acoustic Version～ | YUI | 3:30 |
| 1.4 | again ～Instrumental～ | YUI | 4:16 |
| 2.1 | again | YUI | |
| 2.2 | I'll be ～“WALKMAN” School Live Movie～ | YUI |
Member reviews
Source: MusicBrainz release group f8159042-0145-4fa4-bdfa-0bf427cdc9c4 (CC0). Cover: Cover Art Archive.