The recommendation came from a Discord chat which was not even related to anime or manga. Needless to say, thought the affair wouldn't last long.

I binged it in 2 nights.

Animation is as you might expect from a budget anime produced in 2007 but it still makes it on my list as one of the best anime I have ever watched. Grippingly intense without going too much overboard. There were some weakness in parts of Clare's character development towards the last few episodes but all in all, a very good story line.

It is a pity there hasn't been enough interest in making a reboot, improving upon the story line or continuing on with a season 2 finale.

Highly recommended.