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
Taiya Hando / Bun Red
Yuki Hayama
Ishiro Meita / Bun Blue
Miu Suzuki
Mira Shifuto / Bun Pink
Ryu Saito
Jyo Akuse / Bun Black
Satoru Soma
Genba Bureki / Bun Orange
Yu Miyazawa
Sakito Homura / Bun Violet
