Rekka / ULTRA C (烈火 / ULTRA C, Blazing / ULTRA C) is Vivid BAD SQUAD’s tenth single, containing full versions of two of the unit's commissioned songs along with their instrumentals. It was released on March 5, 2025 on CD and digital music platforms.
Track Listing[]
Instrumentals are not included on the digital release.
| No. | Song | Producers | Performers |
|---|---|---|---|
| 01 | Rekka | niki | Megurine Luka, Vivid BAD SQUAD |
| 02 | ULTRA C | Giga, TeddyLoid | Hatsune Miku, Vivid BAD SQUAD |
| 03 | Rekka (instrumental) | niki | |
| 04 | ULTRA C (instrumental) | Giga, TeddyLoid |
Audio[]
| No. | Songs | Duration | Audio |
|---|---|---|---|
| 01 | Rekka | 03:14 | |
| 02 | ULTRA C | 3:00 | |
| 03 | Rekka (Instrumental) | 03:14 | |
| 04 | ULTRA C (Instrumental) | 03:00 |