They search the kingdom for any living things that appear. They realized it is just one of Sakura's memories that being visualized by the power of the feather. Syaoran decided to go into the ruins excavation that he had his research on. He found out the wing symbol which is a door that once had taken Sakura's feather may have a secret. Syaoran and Kurogane decided to go deep behind the door and encountered the guardian of the book.