Well I actually came to the Anime because I read a review about it while I was searching for a new Anime to watch.
I dont want to spoil everything by telling whats going to happen, so it will be difficult to write something about it. (The Anime is even better if you dont read anything about it and just watch it - test subject was my sister xDD)
I loved the characters which are really cute and lovely drawn.
The best - and probably also the scariest thing about the Anime is the Anime opening, that changes every episode (so make sure you don't skip it!).
And if you think this Anime is really boring at the start and think is is just a regular school Anime with cute little girls that love their school life - keep watching. It will change soon.