Yuki Kuran

Yuuki Kuran / Cross (黒主 優姫, Kurosu Yūūki) is the main protagonist of the series, she begin s the series as a 15 year old first-year student at Cross Academy, where she is also a member of the Diciplinary Committee, along with Zero. Towards the climax of the first arc, Yuuki is revealed to not only be a Pureblood Vampire, but also a member of the Kuran family and Kaname's younger sister.

Character outline Hino Matsuri described Yuuki as the character who possesses her justice side and that Yuuki is the healing and soothing character in the story.

Yuuki's favorite subject is Physical Education and her favorite foods are the ginger stir fry set and parfaits.

Personality
Yuuki is generally a cheerful and comedic girl. She is considered a poor student because she dislikes studying and falls asleep in class, reason being she stays up all night monitoring the school grounds and night students. She exhibits a strong attachment to her close friends. Her indecisive nature and reticence can be attributed to her insecurity regarding her missing history. As a human, she had a fear of vampires which meant she rarely left the Cross Academy grounds on her own, because of the attack. Yuuki doesn't like to reveal her fears and disguises it with a smile over her face.

Following her re-awakening as a pureblood vampire, Yuuki shed the fears she once retained, when a situation asks, she can put in an authoritative face as is expected for a pureblood princess. Yuuki's overwhelming fault is the tendency to burden herself with guilt over her ignorance when she learns the sufferings of other characters that they have kept secret.

Appearance
She was described by the Day Class boys as being small; but one who eats well and is considered attractive by a few. When she was human, she had shoulder length hair, Yuuki transformed when she re-awakened, her hair growing and possessing a more mature look. She closely resembles her mother, Juuri Kuran, so much so that Rido Kuran confuses Yuuki with her mother.

Background
Yuuki was approximately 5 years old when Rido Kuran attacked the Kuran family seeking to take Yuuki. To protect her daughter, Juuri sacrificed herself to seal Yuuki's vampire side and erased her daughter's memory. Yuuki's first memory is that of Kaname saving her from a vampire. Yuuki grew up as a human in the care of Kaien Cross, who also adopted her. Kaname stayed as a presence in Yuuki's life whom she constantly looked forward to seeing and missed leaving, falling in love with him.

Yuuki, as a child, had troubled nightmares nightly until Zero Kiryu joined their household and Yuuki formed a strong attachment to the boy. Yuuki's relationship with Kaname became distant after she witnessed his vampire nature as he fed on a vampire classmate (Ruka) and also as a human, Yuuki believed she had no chance with Kaname and began to distance herself from him, but her admiration and longing for him remained and chose to believe that his interest in her was the result of seeing her as a pet or similar.

Zero Kiryu
Yuuki and Zero became childhood friends after he went to live with Kaien after the massacre by Shizuka on his family. Yuuki pledges to always be Zero's ally even after they part ways.

Kaname Kuran
Kaname has been Yuuki's admired savior since he saved her from, what appeared to be, a Level E after she lost her memories. Since her awakening, she remembered him as her brother and that they pledged to marry like their parents, however Kaname reveals that he is not actually her brother, but her ancestor born thousands of years earlier.

Sayori Wakaba
Sayori Wakaba is Yuuki's best friend and Yuuki often calls her Yori-chan. Yori often worries about Yuuki and her duties, telling her she needs to rest and jokes about her being a vampire. Yori knows that Zero has feelings for Yuuki and ask her about them, but Yuuki most of the time has no idea what she's talking about. When Yuuki is reawakened as a vampire and vanishes, Yori is worried and tells Yuuki that no matter what they will always be best friends.

Hanabusa Aido
Yuki and Aido begin as classmates in the Day and Night Classes, respectively, at Cross Academy, but

later, after Yuki is revealed to be a Pureblood vampire, Aido ends up becoming both her tutor and her companion, attempting to protect Yuki in Kaname's stead.

Powers
Yuuki posseses uncontrolled telekinetic powers, breaking windows on a few occasions when experiencing strong emotions. She possesses the ability of flight using a pair of wings on her back made of blood that resemble butterfly wings. Yuuki has the ability to interfere with memory blocking through touch and includes breaking memory spells on herself. Yuuki has immortality and the ability to heal from anything with the exception of anti-vampire weapons to her heart or cutting off her head. Yuuki is also able to wield anti-vampire weapons both as a human and as a vampire and transforms the Artemis rod into its scythe form, like her mother.

Name

 * Yuuki's last name, Kurosu is the Japanese pronounciation of the English word "cross." However, kanji has a different meaning, kuro meas "black" and su means "master": "black master." The kanji of her real surname Kuran, is a combination of the old fashioned way of writing ku, meaning "nine," and ran, meaning "orchid": "nine orchids". Yūūki is a combination of yuu, meaning "tender" or "kind", and ki, meaning "princess". Interestingly enough another meaning of Yuuki ( 勇気, Yūūki) is "courage", whereas Yuuki can also mean (雪, Yūūki) "snow" as well.
 * Officially romanized as "Yuki" in Viz media publications and Chuang yi publications. Fan translations usually use "Yuuki".
 * Kaien knows Yuuki's name beforehand, he says to Yuuki that Kaname told him that all girls are princesses and thus will name her Yuuki and she is Kaien's 'gentle princess.'