Rosario + Vampire - S01

A year has passed since Tsukune Aono started attending Youkai Academy, and his life has gotten far more complicated. As the sole human in a school full of monsters, he’s caught the attention of several girls who each want him for themselves: Kurumu Kurono, a seductive succubus; Yukari Sendou, a mischievous witch; Mizore Shirayuki, an obsessive yuki-onna; and Moka Akashiya, a gentle vampire whose rosary hides a far more dangerous side. Now, trouble arrives when Moka’s younger sister, Kokoa Shuzen, shows up. She’s angry that Moka’s rosary seals away her "true older sister," and she’s determined to unleash Moka’s darker self. But Kokoa’s reckless plans could have consequences beyond just her sister…