Mutekioh TRI-ZENON

During the Edo Period, 3 mysterious space capsules were sent down to earth. Fear that it might bring chaos to the earth, the humans at that time buried these 3 objects down beneath the ground and entrusted a piece of descriptive map to the Kamui family. Today, these 3 objects were awaken one by one. The first to awaken, Tri-Zenon, one of the Zenon Guardians is now driven by the descendant of the Kamui family, Akira Kamui, his brother Ai Kamui and his friend Kanna. Aliens who descend to earth with a purpose will now have to face Tri-Zenon.

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Akira Kamui, Ai Kamui and their father have a serious problem: debt! Akira and Ai steal a family heirloom treasure map to keep the spoils for themselves, but an unfortunate distraction occurs: their city, Chitose, becomes the battleground for the military and an invading race of aliens! Falling into the lair of the treasure itself, the giant mecha Tri-Zenon, Akira, Ai and their friend Kanna now find themselves in the adventure of a lifetime: protecting Earth from the powers of Zenon Palace!