The aftermath of Japan's devastating civil war sees the governors of Touto, Hokuto, and Seito collaborate to rebuild the nation. Unbeknownst to humanity, these leaders are actually extraterrestrial beings from the Blood Tribe, who have manipulated their positions to execute a sinister plan to destroy Earth, having previously ravaged Mars and other planets.
Kamen Rider Build: Be the One
The governors of Japan's three regions collaborate to reunify the country, concealing their allegiance to the enigmatic Blood Tribe, linked to the mystical Evolto.
