Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
"Heisei VS Showa. The Rider confrontation that breaks all rules will be settled."
Overview
The Underground Empire Badan makes its move, intending to invert the world. Kouta and Mai are pulled through one of these inversions where the discover a boy named Shu, who also holds the power to invert the world. As the Riders fight to protect Shu, Fifteen appears again, seeking Shu. As Kouta flee...
