To be completely honest... I really enjoyed it. As a kid. Just after finishing Sailor Moon anime I found somewhat a clone to it, and even though it wasn't as entertaining and deep, it was still enjoyable. Art is a bit oldschool, but that makes it even more charming. I think it is even better than that of Sailor Moon. Sometimes it even gives a bit of a shounen vibe :) The story is quite naive, and characters are even more, than just quite so. But to defend them: they all are pretty much just a bunch'o'kids in super unreal situations :) One of bigest advantages of this titleis its shortness: it's not your typical shoujo with bazillion of volumes :D
So if you're not too scared of naivety, and still a bit of a kid inside, go on and give it a try :)