Because Zhao and Knight are both remoulders, like the transformation of No.1, we are college students, with an IQ of more than 600. As a result, talented young people who used the human body were taken away by the card repair organization. Became a person with yellow worm ability. However, after brainwashing failed, he was fled from his hometown, and then he used his own ability to transform and confront the card repair organization. In fact, this also reflects the original setting of Kamen Rider. The knight is a strange man who bears hatred and fights on the side of mankind. Although he insisted on keeping the fighting sense of human beings, in fact, his family members were persecuted by Xiuka, and almost no reinforcements were fighting alone. If one day he is defeated and killed, sometimes no one can help him collect the body.