The Boukengers are a Sentai team based in the SGS offices, that search for the 'Precious', items deemed even more valuable than esteemed treasure. They are aided by Zubaan.
|Bouken Red||Satoru Akashi|
|Bouken Black||Masumi Inou|
|Bouken Blue||Souta Mogami|
|Bouken Yellow||Natsuki Mamiya|
|Bouken Pink||Sakura Nishihori|
|Bouken Silver||Eiji Takaoaka|
|Zubaan||Great Sword Man Zubaan|
The SGS ("Search Guard Successor") is a private philanthropic organisation dedicated to the preservation of historical artifacts and treasures. The most dangerous of these relics, possessing powers beyond that of modern human technology, are designated as "Precious".
To stop these artifacts from falling into the wrong hands, SGS have created the GoGo Sentai Boukenger: an elite team of Adventurer Archaeologists who channel the spirit of adventure as they search the four corners of the globe for the mythical Precious. Opposing them are the "Negative Syndicates", a designation that SGS gives to any hostile organisation that seeks to misuse the Precious for their own ends.
Yet with the technology for the mission, it is the hearts of the people performing the missions that are the true soul of SGS. Five special people notable for their skills and abilities for handling difficult missions and surviving any odds were recruited to accomplish the Precious hunts. Empowered by the Parallel Engines of five vehicles, they have come together under the name of the "Boukenger". These five are:
- Satoru Akashi (Bouken Red): A former treasure hunter known for his top notch skills and abilities, he wanted to leave it behind after the death of his partners on a mission. He was the first recruited to be the leader of the Boukenger.Task 4: The Lost Vehicles
- Souta Mogami (Bouken Blue): A spy notable for his abilities and computer skills as well as his womanizing. He turned his back on his former life after hurting the princess of a kingdom he helped overthrow, only to be found by SGS for their own purpose.Task 23: The Dangerous Partner
- Sakura Nishihori (Bouken Pink): Raised as the heir of a corporation, she turned her back on her former life to become one of the best special forces soldiers who put her mission ahead of others. SGS saw her potential and Akashi personally recruited her for their Precious mission.Task 12: The Pipes of HamelinTask 26: The Glass SlipperTask 31: The Flame of the Ruined Country.
- Masumi Inou (Bouken Black): The first of a duo recruited to complete the team. Known as another of the greatest of treasure hunters, he also has the notability of being the only survivor of an assault by Yaiba of Darkness, a ninja allied with the Dark Shadow Syndicate.Task 1: The Heart of the Demon GodTask 9: The Paper Crane Ninja
- Natsuki Mamiya (Bouken Yellow): A child-like girl working as Masumi's partner prior to their recruitment to the Boukenger. She was found in a cave with no memory of who she was and no proof of her existence outside a bracelet she was wearing.Task 2: The Dragon Thieves
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