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Gai Amatsu (天津 垓, Amatsu Gai) is the former overarching antagonist of Kamen Rider Zero-One. He is the former CEO of ZAIA Enterprise Japan who transforms into Kamen Rider Thouser (仮面ライダーサウザー, Kamen Raidā Sauzā).
Kamen Rider Thouser
Best Toku Character
for Best Toku Character in 2026 myCast Awards
Suggested by satsuinohadouken5100
With 2025 over, 2026 begins!
