Just finished watching this and I have to say that it was very enjoyable. The entire series builds excellently to an extremely satisfying (if not necessarily happy) finale. While the ending was certainly worth it the continuous lack of explanation throughout the majority of the series did wear on me at times. Still hard to argue it wasnt worth it. The animation was excellent, as was the voice acting and the music was noticeably well done. The characters, while not always likeable, were nearly always engaging. So all in all I’d say it was very good, but not excellent, four stars perhaps? I might come back to this and expand on it later.