[This is a notebook for recording strange stories][Writing any words in the notebook will sign a contract with the notebook][The contract will not become invalid unless the contractor dies][After signing the contract, you can use any pen to write strange stories in the notebook, and the strange stories you write will come true][There is only one price for signing the contract, and that is the contractor's entire future life span] A mysterious notebook, a mysterious story, and the human desire to explore the unknown will always be the best helper for the spread of strange stories...