Invincible King Tri-Zenon

In a blend of Edo Period mystique and futuristic intrigue, three enigmatic space capsules were dispatched to Earth, prompting widespread fear of the chaos they could unleash. To safeguard humanity from potential calamity, these artifacts were buried deep underground, with the Kamui family entrusted to protect a map detailing their location. Fast forward to the present, when the capsules stir to life, beginning with Tri-Zenon, one of the formidable Zenon Guardians.

Awakened from its slumber, Tri-Zenon is now bound to Akira Kamui, the latest in the Kamui lineage, alongside his brother Ai and their friend Kanna. Together, they find themselves at the center of an extraordinary conflict as extraterrestrial beings arrive on Earth with their own motives. As the trio navigates this thrilling new reality, they must harness the power of Tri-Zenon to confront the impending alien threat and uncover the secrets that have lain dormant for centuries.