This book has just started. You can read it. If it is about regular soldiers and cute people, then read the first two chapters of complaints and demining, build up your tolerance, and then read the reading guide, and then you can start reading directly. The early stage is for transition and explaining the setting, so there is an essay-style diary series. The diary series will not be like this after reaching the main text. Because it is all dry content and not very informative, it will be choked to read. You can jump directly to the second volume whose title is not the three articles in the diary series. The main text in the future will also be in this style. If you like it, you can read it