Kamen Rider: Inheriting the Skull Memory at the Beginning

[No heroine + multi-world travel, there will be some original plots] The spirit of knights is passed down from generation to generation, and the power will remain in this world. The successor Miyamura Naojun will hold the power of the predecessors, and the knights who originally disappeared will be active in this world again. Until one day, the knights discovered that those knights seemed to be the same person...