This is a precious story. I have been planning to read this manga for a very long time. I love stories about cats or anything to do with cats in the Anime/manga. I bought it on Amazon UK. 
This manga is published by SQUARE ENIX which is a game develops, publishes, and distributes, famous for Final Fantasy, Kingdom of Hearts, Tomb Raider, and Dragon Quest. 
HERRY MAGIC! THIRTY YEARS OF VIRGINITY CAN MAKE YOU A WIZARD?! is also published by SQUARE ENIX manga & Book.
Links to the Company website; [Square Enix Manga and Books](https://squareenixmangaandbooks.square-enix-games.com/en-us)