Yes, I have seen this, and I too thought this anime was worth praising. I also originally thought that it was going to be the average harem, but it turned out to be much more that that, and I truly enjoyed watching it. I knew it roped me in just from the 1st episode alone (normally it takes 2 or 3 episodes to get me into something).
And it also kind of reminded me of the anime called:
Goshuushou-sama Ninomiya-kun