Sakura opens the book out of curiosity. Unfortunately, by doing so,Vocaloid Costumes
she has broken a seal on magical cards known as Clow Cards that have been sealed in the book. Cerebrus, the guardian of the book, is awakened. He makes it Sakura's job to recapture the cards, since she is the one who managed to release the cards. Cerebrus, who is given the nickname Kero, teaches Sakura what she needs to know. As a cardcaptor, Sakura must battle the magical personification of the card, defeat it,FullMetal Alchemist Costumes
and seal it away.