Beware of the Wolf Man!

Actually, I Am · Episode 6 · “Beware of the Wolf Man!”

The romantic comedy centers around Asahi Kuromine, who has a crush on a cute girl named Yōko Shiragami. Shiragami just happens to be a vampire. Asahi cannot keep a secret, but he is determined to keep Shiragami's secret anyways. (Source: Anime News Network)