This article is about a/an villain in Kamen Rider Black.

Ryuzaburo Sakata is a politician who used his political and non-political connections in performing tasks that Gorgom could not expose themselves into, such as kidnapping or assassination. He was responsible for leading a pro-Gorgom political party known as the EP Party with Koichi Omiya.

Following Gorgom's destruction, Sakata's fate is unknown.

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