Sakura's classmate Naoko bought a strange book in a bookstore on the street.This book has no ending, and it is up to the readers to continue writing. However, Naoko never expected that while she continued writing this book, the content she continued to write would come alive in the real world. Sakura and the others were in the process of regaining the hugeWhen she was playing the Clow Card, she happened to encounter the world reproduced in the book. After some hard work and fierce battles, Sakura successfully recovered the Clow Card.