G3 Princess

G3 Princess is the idol unit composed of gravure idols Rina Aizawa, Yumi Sugimoto and Nao Oikawa who played Saki Rouyama (Go-On Yellow), Miu Sutou (Go-On Silver) and Water Pollution Minister Kegalesia respectively in Engine Sentai Go-Onger. They released a single entitled “G3 Princess Rap.” It is remembered that Sugimoto and Oikawa hinted this on their blog last May.

G3 Princess also exists in-universe, composed of the actresses' respective characters. They appear in episode 31, Idol Debut, and return in the movie of Kaizoku Sentai Gokaiger, Kaizoku Sentai Gokaiger The Movie: The Flying Ghost Ship.