Vampire Knightヴァンパイアナイト ; ヴァンパイア騎士 ; 吸血鬼骑士 ; แวมไพร์ไนท์ ; 뱀파이어 기사 ; فارس مصاصي الدماء ; Vampyras Riteris (Lithuanian) ; Cavalerul Vampir (Romanian) ; Ο βρυκόλακας Ιππότης, O Vrikolakas Ippotis (Greek)

Cross Academy is attended by two groups of students: the Day Class and the Night Class. At twilight, when the students of the Day Class return to their dorm, they cross paths with the Night Class on their way to school. Yuki Cross and Zero Kiryu are the Guardians of the school, protecting the Day Class from the Academy’s dark secret: the Night Class is full of vampires!