For an anime not heard of by many I'd class this as a hidden gem of a masterpiece. It has a great story with development to it and the characters which keeps you interested and is very deserving of the 36 episodes it has. The circus theme seemed a bit weird at first but actually played into it really well and gave it's own quality to the action done in the show. It's one of those few which have made it into the top 5 of the hundreds of anime that I've watched so I'd definitely pick it up to watch if you haven't yet.