When the Cosmic Invading Grand Racing Crew, Hashiriyan intends to expand their territory with Earth being their next target to take over, five genius mechanics join forces with an alien machine named Bundorio Bunderas to create their own supercars and special equipment to defend the planet as the Bakuage Sentai Boonboomger!

• Haruhi Iuchi
• Yuki Hayama
• Miu Suzuki
• Ryu Saito
• Satoru Soma
• Yu Miyazawa
• Rica Matsumoto
• Natsuki Hanae