[Machine Translation] What appeared from the paper was not a cute animal, but a demon! I am Itsuki, a fifth grader. During the summer vacation, I'm staying at my uncle's apartment. One day, I opened a secret door in the back of my uncle's library. In the stacks, carefully stored away, were stacks of papers of different ages and in different handwriting. As I read through the mysterious stories, the animals in the illustrations began to move... From upper elementary school.