In short - it is Great! Imaginative graphics. Simple yet intriguing story. Memorable and super well designed characters. Surprising amount of restrain in gore (yes, there could've been more and far worse) and weird sex stuff departments in comparison to the novel. I mean, seriously, last one is the worst part of the novel. Many details about the world are here to see, so since I really dislike novel having all this stuff, I can watch anime and explore this world a bit more. What else can I say... Well, the ending was satisfying and true enough to the novel to still be not a happy ending.