Xiao Yan was once a genius and the number-one Kamen Rider W on the Fuuto Rider Rankings. But after losing her, he chose to become an ordinary person. While working to make ends meet, the white-haired girl he and his partner had picked up on their way home after destroying one of Foundation X's research institutes came to find him. She had now become Fuuto's number-one Kamen Rider Eternal, and she said bluntly, “Why don't I just support you?”
