Nyanpire.

にゃんぱいあ

Nyanpire: The Gothic World of Nyanpire (にゃんぱいあ, Nyanpaia) is a Japanese dōjinshi manga series written and illustrated by Yukiusa about a black cat who becomes a vampire after being abandoned. An anime television series by Gonzo was broadcast in Japan between July 6, 2011, and September 19, 2011.