Zira is a genius student who has a hobby of reading books. One day her friend Leon finds a mysterious book in a famous library. He realizes that Zira will like the book. Leon gave the book to Zira and Zira began to read the prologue of the book. Zira was surprised at the beginning of the prologue of the book which gave clues to solving the mystery and save the world. The next day zira did not realize when she put the book on her bookshelf, one of her favorite books contracted with the mysterious book. Making two books into 1 and changing the title of the book. When Zira wakes up she receives a mysterious message from someone to find out the origin of the book. Can Zira and Leon find the origin of the book?