Fortune Arterial: Akai Yakusoku
Japanese title: FORTUNE ARTERIAL 赤い約束
Type: TV
Source: Visual novel
Episodes: 12
Status: Finished Airing
Aired: Oct 9, 2010 to Dec 25, 2010
Broadcast: Saturdays at 01:23 (JST)
Duration: 24 min per ep
Rating: PG-13 - Teens 13 or older
Studios: feel., Zexcs
Producers: TV Tokyo, Kadokawa Shoten, Kadokawa Pictures Japan, KlockWorx, NTT Docomo, AMG MUSIC
Genres: Comedy, Romance, Supernatural
Themes: School, Vampire

Fortune Arterial's story revolves around the male protagonist Kohei Hasekura, who transfers into a prestigious public school in the style of an English six-year school encompassing junior-high and high school students. The school is on an island named Tamatsu Island off-shore from mainland Japan, and the only way to get there is by boat. Soon after transferring, he discovers that one of the student in the class next door to his, Sendo Erika, is in fact a type of vampire. 

(Source: Wikipedia)

Preview airing on October 2nd. Regular airing started on October 9th.