Chakra is a black cat with the power of happiness who came to the human world to train. There are many people who have become happy thanks to chakra. Of course, there's also Megumi, the main character of this book. With the magic spells in this book, you too might be able to become happy. However, just relying on chakra is not enough. I need your effort. Your chakra will be impressed by your hard work and will surely bring you happiness!