Regret 伴奏（Instrumental)
Regret ban zou Instrumental Lyrics
| Song | Regret 伴奏（Instrumental) |
| Artist | INSOMNIA |
| Album | Chromatic伴奏 |
YouTube Results (More on YouTube)
| Song | Regret 伴奏（Instrumental) |
| Artist | INSOMNIA |
| Album | Chromatic伴奏 |