Shinozaki Shiro went back to the past and changed the future of knights, so the city gate was resurrected and other knights were resurrected, but the knight war was over because they all forgot that they were knights.

This move of going back in time makes everyone return to ordinary life, while Yukichi lives in a mirror world with Kanzaki Shiro.

Making information

In this story, the definition of "Kamen Rider" is "the existence of" mirror world "that can enter the mirror world by using the deck given by Shiro Shenqi".

In addition, the survival game played by children in Kamen Rider can constantly defeat the person who lives to the end and realize his wish.

Accidentally got a set of cards, and Shinji Kido, who became the protagonist of Kamen Rider Dragon Tree, and another knight, Kamen Rider (Qiu Lian), centered on the story. A major feature of this story is that Kamen Rider's enemies are not only monsters in the mirror world, but also other Kamen Rider.