Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | 今日は何の日？ | Emura | |
| 2 | 第一関門・坂本 | Emura | |
| 3 | 第二関門・兄弟 | Emura | |
| 4 | 第三関門・つぐみ先輩 | Emura | |
| 5 | 第四関門・時ちゃん | Emura | |
| 6 | 助け舟 | Emura | |
| 7 | 誕生日の約束 | Emura | |
| 8 | 帰宅 (ミニドラマ「Birthdayサイドストーリー」) | Emura | |
| 9 | 四時間前… | Emura | |
| 10 | 再び現在 | Emura |
Member reviews
Source: MusicBrainz release group fe6cd0b2-3b46-380f-98ce-9aa5be25d6f6 (CC0). Cover: Cover Art Archive.