In order to protect the academy, the Headmaster confronts the head of the Hunter Society while Rido is still on the rampage. In the meantime, Ichiru pays a visit to Zero and shoots him with the Bloody Rose gun.

Maria’s masked servant is none other than Zero’s twin brother, Ichiru, whom Zero has not seen since their separation long ago…

Yuki understands the position she has been put in, and remembering Kaname’s words, “Do what you have to do,” Yuki decides that as Guardian, she must protect all the students at the academy and fight Rido.

After suffering a mortal wound, Shizuka quietly dies in Ichiru’s arms. Meanwhile, Yuki and Zero try to find where Shizuka may have gone, but Zero is constantly thwarted by his Level E seizures…

All of Zero’s strength is not enough to kill Rido, and Rido runs away. However, Kaname finds Rido, and Zero arrives soon after. The two of them attack Rido.

Yuki has a lot on her mind after almost being kissed by Zero. She asserts that she will not speak to Kaname until he admits to Zero’s innocence. While walking around town with Sayori, she comes across a lost little boy.

Yuki and Zero are busy dealing with the Day Class students who are chasing after the Night Class students more fervently than ever due to the upcoming dance…

Yuki makes a secret decision regarding Zero, who is now determined to fight his affliction until the very end. Yuki feels guilty for betraying Kaname and keeping a secret from him…

To prepare for the upcoming exam, Zero tutors Yuki, but all the while, she notices something wrong with him. Meanwhile, at the Moon Dormitory, Kaname confronts Maria in his room…

Yuki and Zero are busy dealing with the Day Class students who are chasing after the Night Class students more fervently than ever due to the upcoming dance…

Maria’s masked servant is none other than Zero’s twin brother, Ichiru, whom Zero has not seen since their separation long ago…

Tomorrow is the annual St. Xocolatl’s Day, when it is customary for the girls at the academy to give chocolates to the boys. Although Yuki is busy patrolling the school grounds to catch the Day Class girls trying to sneak chocolates...

Yuki learns that Maria’s true identity is Shizuka, the pureblood vampire who bit Zero and turned him into a vampire. With this information, Yuki accepts a deal from Shizuka and offers her blood in order to save Zero…

Seeing the state Yuki is in, Kaname takes her from Zero, who is left speechless when he realizes what he has done. Yuki cries in frustration, unaware of Zero’s secret, even though they’ve known each other for a long time…

Zero tried to sink his fangs into Yuki, but he was able to get hold of himself just before he succumbed to his urge. However, there is someone who is trying to kill him: the new teacher Yagari…

Yuki wakes up a vampire, and her memory of her childhood returns. She now remembers her father, her mother, and her brother. Despite her mixed emotions, Yuki cannot suppress her vampire instincts.