ข้อมูลอนิเมะVampire Knight

Long ago, Yuki was wandering hopelessly in the wintery night when a vampire suddenly attacked her. However, another vampire soon came to her rescue. Now, Yuki Cross is acting as a Guardian at Cross Academy together with Zero Kiryu. This academy is split into the Day Class and the Night Class, and the two Guardians' duty is to keep the true identity of the Night Class hidden from the other students.

As Valentine's Day approaches, many of the Day Class students prepare chocolates for the Night Class. Headmaster Cross supports this tradition, but needs Yuki and Zero to keep everyone in order. Zero is suffering from the urge to drink blood, but refuses blood tablets.

Yuki leaves Cross Academy in order to chase after Zero, but she is attacked by a vampire. Kaname complains to Headmaster Cross about Zero's current state. According to Kaname, Zero is becoming a vampire and shouldn't be kept in the Day Class much longer. Zero's urge to drink blood is becoming stronger. Will he finally give into his desires?

Yuki suffers from the shock of discovering Zero is a vampire. Kaname and Headmaster Cross must decide what to do with Zero. Yuki tries to talk to Kaname, but runs into Idou. Zero considers taking his own life now that he has bitten Yuki.

Yuki is given a bracelet that, when pressed to Zero's tattoo, can stop him when he needs controlled. A new teacher arrives at Cross Academy. Why does Zero seem to know him? Zero and Yuki leave Cross Academy to run an errand for the Headmaster, but Yuki is attacked by a vampire. Yuki and Zero attend a birthday party for one of the Night Class students.

Yagari, who trained Zero to be a vampire hunter, must make a choice about what to do with Zero. Seeing Zero attack Yuki has only made things worse. Yuki is determined to save Zero and is willing to try anything to help.

Yuki, Zero, and Kaname reflect on their past. Yuki remembers her past experiences with Kaname after he saved her, and she remembers experiences with Zero.

Ichijou's grandfather decides to visit Cross Academy causing the Night Class to panic. Zero is sent to kill a Level E vampire as a test to see if he can take on his duties as a vampire hunter. Shiki and Rima are also sent after the same Level E.

A new student enters the Night Class. Who is she, and why does Zero seem to know her? Meanwhile, the Day Class discusses the upcoming dance party.