Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | I don't know | NUMBER GIRL | 3:20 |
| 2 | 中学一年生 | NUMBER GIRL | 5:33 |
| 3 | サーティーン | NUMBER GIRL | 4:18 |
Source: MusicBrainz release group c1e1f163-983b-3f0f-9015-d29087738527 (CC0). Cover: Cover Art Archive.
| # | Title | Sung by | |
|---|---|---|---|
| 1 | I don't know | NUMBER GIRL | 3:20 |
| 2 | 中学一年生 | NUMBER GIRL | 5:33 |
| 3 | サーティーン | NUMBER GIRL | 4:18 |
Source: MusicBrainz release group c1e1f163-983b-3f0f-9015-d29087738527 (CC0). Cover: Cover Art Archive.