Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | Good-bye days | YUI for 雨音薫 | 4:36 |
| 2 | Skyline | YUI for 雨音薫 | 3:52 |
| 3 | It’s happy line | YUI for 雨音薫 | 3:22 |
| 4 | Good-bye days 〜Instrumental〜 | YUI for 雨音薫 | 4:36 |
Source: MusicBrainz release group ac8cab61-68b0-3cec-842b-e4abe513dee1 (CC0). Cover: Cover Art Archive.