Sinopsis
10 tahun yang lalu, Pandora Box ditemukan di Mars. dan Di Bumi, ia menciptakan tembok yang membagi Jepang menjadi 3 bagian Touto (Ibukota Timur), Hokuto (Modal Utara) dan Seito (Ibukota Barat), bentuk kehidupan tak dikenal yang menyerang orang-orang.
Daftar Episode
Kamen Rider Build Eps 49
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Kamen Rider Build Rogue #2
Kamen Rider Build Rogue #1
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