Sypnosis:

“The things that change, the things that do not change, and the things that I wouldn’t want to change.” Masked Rider Takeshi Hongo is an augmented human being. He was “upgraded” by SHOCKER, a secret society which claims itself to be all-loving, as well as aiming to pursue happiness for humanity. However, Masked Rider discovered SHOCKER’s conspiracy and decided to fight against SHOCKER to ensure human beings stay “human”.