希望のサイエンティスト

４人の仮面ライダーたちが力を合わせ、ついにエボルトを倒した！　 エボルトからは黒いロストボトルが生み出されたが、それを横取り同然に奪ったのは戦兎の父である葛城忍だった。 忍は戦兎たち４人を黒いパンドラパネルがある場所へと案内した。 そこで、忍の本当の目的を語り始めて―――。

The four Kamen Riders joined forces together and were finally able to defeat Evolto! Three Lost Fullbottles that were being held in Evolto’s protection have been purified thanks to his defeat, and have been taken by Sento’s father, Shinobu! Shinobu then proceeds to guide the others to a room containing the black Pandora Panel. He then starts to reveal to them his true intentions…