In Mr. Locke's estate with many strange artifacts, Genieri grows up in solitude. She is not allowed to make any noise, and she has to spend her free time in such boring activities as copying office books. Genieri has a strange gift: everything she writes down is magically carried out , but only Mr. Lok wants her to stop such antics.She is saved from loneliness by a mysterious a book called Ten Thousand Doors", which talks about other worlds. And it is she who helps Geniera when she suddenly realizes that she is in danger and that the story in the book is closely related to her. From this moment, start begins an incredible journey through time and space in search of a mysterious door. That's all Genieri really needs to find is herself."