Episode # Description Date Aired
1 Yui arrives in the new mysterious house and meets the six mysterious brothers who are actually vampires but none of them knew about her arrival except Shu who explains that he received a call the other day from a man and he told him to keep her safe and not to kill her. Soon, Yui learns that she is the prospective bride and she tries to run but ends up in an abandoned room where she finds her dad's diary and discovers that she is adopted. The episode ends with Yui yelling for help as she was cornered by the six vampire brothers. September 16, 2013
2 It is the first day at a new high school for Yui but she finds it strange that the high school is at night. On their way to school she notices that all the brothers are different from each other and don't seems to get along. Later at school Ayato forces himself on Yui and sucks her blood and does not stop until Reiji comes and tells him to take his activities to his private room. Later, Ayato throws Yui in the swimming pool and orders her to say that he is great but Yui can't swim and asks for help. Ayato than has a flashback of his childhood and after that he jumps in pool to save Yui. He kisses Yui underwater to wake her up and suck her blood; Yui begs him to stop and he stops, telling her he will continue later. At the end of episode Yui goes back to the abandoned room to see her dad's diary but finds it blank and is confused by this. September 23, 2013
3 Yui eventually learns that the brothers are different from each other, since they all have different mothers, he and Reiji have the same mother, Ayato, Kanato and Raito are triplets from another mother, and Subaru has a different mother. After Yui Shu grabs the hand of the tub (Shu was with the clothes in the tub like Yui ) and play the hand that you have a memory of a human child Edgar who died in a fire. Yui in the tub and says he wants to suck your blood ( possibly make her hate him so it is not too attached to it) . Yui is shocked to think he was different, but he tells her he's a vampire . Later that night Ayato also tries to suck the blood of Yui, but it is annoying to find bite marks on the neck, Shu challenge mode to play darts for the prize is Yui. Shu wins the match and is about to leave the unclaimed prize, but Raito Yui pushes toward him. The episode ends with Shu Yui says in a serious tone that " death grip." September 30, 2013
4 Yui tries once again in vain to try to contact her father, but is stopped by Kanato, who later decides to hide her backpack on the roof of the school as "punishment" for not bringing him the accommodations that he had asked for. As Yui goes to retrieve her belongings, she stumbles upon Raito, who seems to be citing strange words to moon. October 7, 2013
5 Kanato finds Yui in the rose garden as she tries to sort out the new information about who betrayed her and gave her up as a sacrifice. He beckons her to follow him so he may show off a graveyard containing the grave of his mother. Assuming he would like some time alone, Yui attempts to leave which only infuriates Kanato with misplaced anger. Reeling from this experience, Yui wanders through the estate, and becomes worried when she hears groans coming from Reiji's room. Much to her folly, she enters the room to see if he needs help October 14, 2013
6 Yui refuses to accept that she should suddenly stop showing compassion towards her fellow man merely because they are vampires, and allows herself to be led to one of Kanato's most favorite places in his little world. As she views his family's collection of wax figures all in bridal wear, she finds herself eerily aware that things are not as benign as they appear. Kanato confirms her suspicions and gleefully sets to adding her to their collection, until he is interrupted by a summons. October 21, 2013
6.5 Recap of the previous episodes from Yui's point of view. October 28, 2013
7 Yui is awakened by the sound of rain and looking from her window, she sees a mysterious woman in a purple dress. She becomes controlled by an unknown force, and goes all the way to a secret tunnel and through a door that leads to the past. There she sees Kanato, Ayato, Raito, Shu, Reiji and Subaru as children. But after she discovers the truth of her past, she reappears in the tunnel and is found by a concerned Ayato, who instructs her not to return down there, especially during the rain. November 4, 2013
8 Yui asks the triplets about the woman in the purple dress who she spotted in the garden, and learns the gruesome truth about what befell their mother. Yui runs out of the house in horror and collapses sobbing in the garden, only to be approached by Subaru, who demands she keep her distance from him, or else. Yui spends a sleepless night in her chamber, made less restful by the arrival of an unwanted guest. November 11, 2013
9 Yui experiences more chest pains and leaves the mansion in the middle of the night to seek answers and finds Shu in an abandoned church. At first, he is unhelpful but quickly becomes interested in obliging her request for answers by forcibly tasting her blood to verify that is has indeed changed somehow. Richter then appears and takes Yui to the secret room where 'Cordelia' awakens and everyone feels it especially Ayato who goes to find her, but only coming up with Yui's rosary on her bed. November 18, 2013
10 Cordelia and Richter savor one another's company for the first time in ages, until Ayato interrupts, demanding to know what they have done to Yui. November 25, 2013
11 While Cordelia and Richter catch up, Reiji appears, and Cordelia begins to tease him in a seductive way. He then rejects her, and Raito, Kanato, Subaru, and Shu all appear due to the commotion. As they discuss the situation, she gives a knife to Richter so he can "dispose" of all the boys for her. Richter does not follow suit, as it is revealed that he had been using Cordelia to further his plan of becoming head, much to her chagrin. Going after her heart, Ayato appears and tells the two to end the bickering, and that Yui belongs to him. As he and Richter duel in attempt to win Yui, Ayato is stabbed. Just then, Yui regains control of her body, and calls for Ayato. She then stabs herself in the heart in order to save everyone. Richter attempts to take Yui's heart, but is stabbed by Ayato. At that moment, Cordelia takes over Yui's body once more. December 2, 2013
12 Returning from when Yui stabbed herself, Subaru takes out the silver knife. Richter then struggles to the attic where he has hidden Cordelia's dress, however Raito finds him there and prevents him from using the dress to keep him alive. Meanwhile, Shu, Subaru, Kanato and Ayato are watching over Yui and the awakening takes place. Reiji makes a potion to kill Cordelia while in Yui's body, but in order to make the potion complete, he must have a piece of Coredlia. Kanato pulls apart his Teddy to reveal a vile containing Cordelia's ashes. This makes the potion complete. Switching back to the attic, Raito sets fire to the dress and Richter, which then the fire kills Richter. Ayato then drinks the potion only to feed it to Yui through a kiss and calling her actual name "Yui". Yui then awakens, and notices all the brothers are with her. She then sits up and with a thoughtful look she says "I'm so thirsty", indicating that she turned into a vampire, and that she is thirsting for blood. After the credits end, we see all the brothers talking to Yui, one-by-one. Resuming the episode, we see Yui on the balcony holding a rose, Ayato then walks up to her a returns her cross necklace. We then see the rose falling and the petals falling off, and chains locking Cordelia in the attic. December 9, 2013