Douluo Dalu Kamen Rider Ohma Zio

A person from the 21st century got reincarnated into the world of Douluo Dalu. Then the moment he saw the person that become his grandfather, he knows that he become the grandson of the Crocodile Douluo. one of the pillar of Spirit Hall. After he awaken his own martial, he knows that he awaken a Kamen rider driver. With this martial spirit he will make sure to prevent the chaos that will destroy spirit hall as that is the same as the destruction of common people livelihood and future.