This is like only my second review to write but I will try my best.
I feel this is an original story line. The reason why is that, you have your classical magic school girl story line trying to save the world, however Hime-chan mostly uses her power to transform and help herself or others. No saving the world needed.
This is an older manga, so it isn't well none, but should be because of the originality.
Because it is an older manga, the art isn't top notch, but those who like older art styles or read more older manga, shouldn't be bothered with it.
I think the art is adorable and well fitting.
I actually found I liked almost all of the characters. Usually I tend to like some better than others or hate some more, but this one I like every character. All the characters bode well together and they all help each other in different ways.
Overall I really enjoyed this read. There where some times where I was bored stiff but that would be because I watched the anime first then the manga, and they both are very similar and stray to far from the story line. I feel many should enjoy the story and the characters, well everything.
This is something for every Shoujo fan to read, because it is a well written shoujo story. Even if you don't like Shoujo stories you should like this one.
I hope this helps. XDD