01 Vampire Night

The story begins with a snowy night, Juran Shuji (a purebred vampire) saved a young girl, Yuji, who was attacked by a vampire in the snow, and entrusted her to the chairman of the board of trustees of the Black Master Academy, Black Master Gray Yama, and from then on with the girl to form a bond of incomprehension, and Yuji's memories of the door from this moment to open. The biggest difference between the Black Master Academy and other academies is that it is divided into a daytime division and a nighttime division. The daytime division enrolls ordinary students, while the nighttime division's students are all vampires, and the Black Master's Yuji and Zero Zero Zero, who is a member of the discipline committee, have the duty to keep this secret from being known by more people, and Zero Zero Zero has a strong suspicion towards vampires because of the murder of his family members by a vampire. You Ji was injured during a night patrol and was attacked by a vampire. Zero rushed to save You Ji, but Zero realized that You Ji's blood was an irresistible temptation to himself. ......

02 Memory of Blood

The girls in the daytime department were very excited about the annual St. Chocolate Day, when girls give chocolates to the boys they like and express their love for them. The girls in the Daytime Division are all very excited, but to prevent the vampire identity of the Nighttime Division from being exposed, the burden of the Disciplinary Committee is rather heavier. On the day of the Chocolate Festival, Yuuji and Zero try their best to keep order without any problems, but Zero has a conflict with the Night Division, and his body is becoming more and more uncontrollable.

03 The Fangs of Penance

Yuji and Zero are ordered to conduct a raid on the dormitory, and Yuji accidentally discovers that Zero has a suspicious drug in his possession - a blood ingot. Zero and Hub arrive to save Yuuji. The conversation between Hub and the Chairman of the Board of Directors of the Black Lord reveals the secret of Zero's vampirism. At the same time, Zero loses his mind and bites Yuji, revealing his vampirism.......

04 The Gun of Judgement

Zero loses his mind and bites Yuji, so the Chairman of the Board of Directors of the Black Lord is forced to tell Yuji the truth, and the Hub and the Chairman of the Board of Directors are preparing to transfer Zero to the Night Division. Zero to the Night Division. Yuuji understands Zero's hatred for vampires, and runs alone to the Night Division dormitory to ask Hub to rescind his decision, only to be nearly attacked. Zero is y remorseful for biting Yuuji and decides to leave the academy. Yuuji goes after Zero and hugs him to stop him from leaving.

05 The Meal Under the Moon

Under the Black Master Ashiyama's teachings, Yuuji has been able to temporarily control Zero by using the taming technique, so that he doesn't turn into a vampire and hurt other people, and thus Zero can continue to stay in the Daytime Division. A mysterious teacher, Yagari Jutsuya, appears to have some kind of connection with Zero. On their way out of the academy, Yuuji and Zero encounter a mutated vampire, LEVEL-E, and are rescued by a member of the Night Division. In order to find out what happened, the two of them venture into the Night Division's Tsuki-no-Yakata, where Zero can't stand the atmosphere. Zero can't stand the atmosphere of the Night Ministry and leaves the Moon Lodge. Yuuji catches up with Zero and realizes that Zero can't accept the blood ingestant and is about to be transformed, but at the critical moment, the two of them fall into the water and Zero recovers his sanity. tells Yuuji that he was Zero's master when he was a vampire hunter. The next day, Zero doesn't show up for the daytime class, and Yuuji learns from Ten Teeth that Zero has been quarantined. In order to ease Zero's pain, Yuuji takes it upon herself to find Zero and offers to let Zero suck her own blood. When neither Ten Teeth nor Zero show up for ethics class, Yuuji, sensing that the situation is unusual, rushes to Zero's room and stops Ten Teeth from hurting Zero, who then tells her that shooting Zero with a gun was for Zero's own good, and that she had to restrain his desire to suck his blood.

07 The Crimson Labyrinth

This episode is basically the memories of Yuuji, Juran, and Zero, and the plot is a bit fragmented. It starts with Yuuji's adoption by the councilor, then Zero's debut, the formation of the night division, and so on.

08 Gunshots of Sigh

Shusu locks himself in his room because of Yuuji's affairs, when Kazuya's grandfather pays a surprise visit ...... Zero, who has kept his distance from Yuuji, receives a mission from the Hunter's Guild - to hunt down LEVEL -The first time I saw a hunter, I was in the middle of a hunter's journey, and I was able to find a hunter who was able to find a hunter who was able to find a hunter who was able to find a hunter who was able to find a hunter who was able to find a hunter.

09 Red's Sight

The Night Ministry has transferred a mysterious interloper, Red Maria, whose noble demeanor is no less than that of Hubs, but whose strange personality makes the other vampires quite dissatisfied. The appearance of Red Maria ignites Zero's desire for revenge, as Red Maria seems to have a strong connection with Himura Idle, the pureblood vampire who killed Zero's family.

10 The Princess of the Night

The night before his final exams, Zero finds Red Maria, who admits in no uncertain terms that she is the same person who killed Zero's parents, but Zero can't defeat her because her body is under control, and Yuuji, who witnessed the event, has her memory erased. The sudden change reminds Zero of his past, and his long-lost twin brother, Kazumi, actually stands beside Himatsuri Idle.

11 The Price of Wishes

Ichimizu's appearance reminds Zero of his painful past - the twin brothers' early childhood. It turns out that Ichimizu's heart has always been filled with hatred for his family, so he chooses to follow Himatsuri Idle and decides to take revenge on Zero, and Ten Teeth is injured in the process of stopping the brotherly rivalry. Zero and Yuuji attend a joint dance between the Day Division and the Night Division, and Yuuji finally makes up her mind to accept Red Maria's offer to save Zero at all costs.

12 The Pledge of Pure Blood

Himezakura Idle recovers his original body, and in order to save Zero, Yuuji agrees to let Himura Idle suck blood, and Himura Idle reveals that the way to save Zero is to drink his master's blood. Zero rushes to stop him, not wanting Yuuji to sacrifice himself for him, and uses his sanity to break free of his control and injure Himura Yori. Zero and Yohji go head-to-head, and Yohji reveals the reason why he hates Zero, while Juran Shul kills Himatsuri Yohji, but promises to fulfill her wish for her.

13 The Crimson Lock

The Crimson Lock was not willing to take the blood of the Crimson Lock, and finally died of his injuries. Save him, at this time Juran Shu suddenly appeared, said to Zero his blood can let him regain his sanity, in order to Yu Ji, Zero drank Juran Shu's blood, the wheel of fate is also once again open ......