Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1.1 | 幸せになろう | mihimaru GT | 4:35 |
| 1.2 | 777 | mihimaru GT feat. ET-KING | 5:02 |
| 1.3 | 幸せになろう (instrumental) | mihimaru GT | 4:35 |
| 1.4 | 777 (instrumental) | mihimaru GT feat. ET-KING | 4:57 |
| 2.1 | 幸せになろう -Video Clip- | mihimaru GT | |
| 2.2 | 幸せになろう -Making- | mihimaru GT |
Member reviews
Source: MusicBrainz release group c3baa078-e075-39a9-b94d-6dcd50a257ee (CC0). Cover: Cover Art Archive.