Noblesse: Pamyeol-ui Sijak

Both have supernatural aspect with vampire and a lot of killing. Also they both have aver the top action at times. 

Both Vampire anime that have great art styles, characters & character designs. Both series are similarly dark and explore similar themes such as humanity & nobility. 

Although very different in tones both these anime give insight and their own perspectives on Vampires, Werewolves and what a general society of super natural humans would look like. 

Both anime cover the supernatural and contain vampires. Both have characters with conflicting creed and ideals. Both explore the theme of humanity and what it means to those with different perspectives on the issue. 

Although extremely different in terms of tones of the shows, both these anime give different insights into "supernatural society" with mythical creatures and folklore represented as characters we can sympathise with and relate to. Both contain their own varied depictions of vampires, werewolves and other creatures of a similar mythos as well as a human character who interacts with these super-human beings.