Rosario To Vampire is a manga about Tsukune Aono, who can’t get into any local high schools because of his bad grades. So, his parents send him to Yokai Academy, a school for monsters. There, Tsukune becomes friends with Moka Akashiya, a vampire who loves his blood. He also makes friends with Kurumu Kurono, a succubus, and Yukari Sendo, a witch. They join the school’s Newspaper Club and have to fight against other students and teachers who use their monster powers to cause trouble.
In Rosario + Vampire Season 2, Moka’s sister Koko joins the club, along with Ruby and Mizore. They find out about a group called Fairy Tale, which wants to destroy the human world. They go on a trip to Mizore’s homeland and meet San, a former club member. They also run into trouble with Fairy Tale’s members. A Chinese student named Fangfang tries to get Tsukune to join his mafia family. They find out that Moka has a secret: she has special vampire blood in her body because her mother sacrificed herself to save them from the original vampire, Alucard.
Tsukune and his friends have to fight against Fairy Tale’s leaders, including Moka’s sister Aqua. They go to the Hanging Garden, Fairy Tale’s headquarters, where they face tough battles. Tsukune becomes a powerful vampire to save Moka, and they defeat Alucard. But then, they find out that Alucard has planted eggs in Japan’s cities, and they have to fight against his clones. At the end, they stop Alucard, but now that people know about monsters, it’s harder for them to live peacefully. Still, Tsukune and his friends are determined to make it work.