[DeepL Translation - needs review] Volume 1 Introduction: What a fool! It's humiliating to be mistaken for a rabbit, but to be forcibly brought to this strange planet, and then to be called a "devil's messenger" and almost killed, no matter how much Giselle is a cat, it's just too much! Giselle is a cat-shaped bio-machine. Her owner is Natsume, the daughter of the chairman and his wife of E. R. F. Corporation, the only company that continues to develop in a galactic civilization that is on t...
Overall, enjoyed this a lot. It's well-written, has great characters, and plays with some fun science fiction ideas. Was a bit slow in the middle because it turned into clue gathering/mystery solving, but all in all, good stuff.
Difficulty-wise - sentence structure is not always straightforward, and the author has a decent vocabulary, but nothing crazy. There is some technical vocabulary, but for the genre it's not a very technical-focused book. Furigana is plentiful.