[Machine Translation] Kobato and Kosanai are first-year high school students who are not in a relationship of love or dependence, but are in a mutually beneficial relationship. Today, the two go hand in hand to become clean and modest little citizens. And yet, mysteries frequently appear in front of them. Kobato-kun doesn't want to show off as a great detective, but for some reason he is compelled to solve mysteries. A light detective story by an up-and-coming writer, newly written for the library.