Rosario + Vampire (ロザリオとバンパイア, Rozario to Banpaia?, Rosario and Vampire) is a Japanese manga series originally serialized in Monthly Shōnen Jump, between August 2004 and June 2007; a single extra chapter was serialized in Weekly Shōnen Jump in September 2007. In November 2007, the manga began regular serialization again, now in Jump Square, and is ongoing.

An anime adaptation also titled Rosario + Vampire aired in Japan from January to March 2008. A second season, titled Rosario + Vampire Capu2, began airing on October 2, 2008, continuing the story of the first 13-episode series and introducing more characters from the manga, as well as new anime-exclusive characters.

Source: Wikipedia