The ending of Kamen Rider Brain had revealed that Gou Shijima (Kamen Rider Mach) was working on some Project called Neo Core-Driviars for Kamen Rider. He was seen reviving Heart, Medic, Brain & also Chase through available data. Proto Zero was also seen there.
Suit Actor Jun Watanabe who was the Action Director of Kamen Rider Brain, had teased about working on an another Kamen Rider work around the same time as Kamen Rider Brain. Since TV Series' Action Director Takeshi Miyazaki so Jun Watanabe can't be the action director and it won't feel right for referring Kamen Rider Zi-O as 'another work'. So could it be another Kamen Rider Spin-off? This time for miscellaneous first newest Pure Reiwa Rider? or is it for Kamen Rider Zi-O's Summer Movie?
TTFC had mistakenly leaked the first image of Kamen Rider Brain in their official website. The image was supposed to be revealed on April 14 which is tomorrow but due to some scheduling error, it seems it got revealed early. The image was quickly removed from the website after staff came to know about it.
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