Rekkazan (烈火斬, sometimes known as Lekkazan) is a band consisted of rappers. They had known for their singles: Macho Man, PEPTIDE, and AWAY.
- Street Rappers (Uncredited)
- Cosmos Dead (Insert Theme)
New Century Ultraman Legend: THE KING'S JUBILEE
- KING’S JUBILEE
- HIPNOTIC HERO
- DARKNESS SKOOL
- ULTRA ☆ MAMMOTH
- ULTRA V.S KAIJU-GUNDAN CRASH!!
- SIMPLY SOCIAL (with Sayaka Shintani)
- BATTLE OR DIE