Royal Force has been played on NTS in shows including Carolina Soul, featured first on 23 April 2017. Songs played include Funk With You.

ROYAL FORCE is an active visual kei special project, created in May 2023, by vocalist KAZUMA (SEASIDE SUICIDE ; atae:ru; SIAM SHADE ; 戦国時代-The age of civil wars- ) and vocalist YU+KI (BACTERIA ; JURASSIC ; DROWNING ; EVER+LAST ; SIXX FOURTEEN ; 暴食楽団~MEGA盛XX~ ; 戦国時代-The age of civil wars-).

They released their first single, "クリスティーナ/Nockin'" (CHRISTINA/Nockin') in July 2023, and held their first live ~Beginning of Royal Summer~ at Meguro THE LIVE STATION on the 21st of July, 2023.