TV-Series
Description
Yue, originally Aletia Galdea Vesperititio Avatarl, served as princess and later queen of the vampire nation Avatarl. Betrayed by her subjects under her uncle's leadership, she was sealed within the Orcus Labyrinth for 300 years due to her monstrous magical power and near-immortality, a measure intended to shield her from the god Ehit. Hajime Nagumo discovered and freed her during his labyrinth journey, renaming her "Yue" to signify a break from her past.

Physically, Yue resembles a twelve-year-old girl, possessing waist-length golden blonde hair, crimson eyes, and pale skin—a result of her halted aging. Following her liberation from Ehit's possession, she gained the ability to shift her appearance to an adult form with a mature physique. She typically wears a frilled white dress shirt, a black miniskirt, a white coat with blue lining, knee-high socks, and short boots.

Her personality centers on unwavering devotion to Hajime, crediting him with giving her life purpose. She declares herself his "property," prioritizing his safety and happiness above all. This loyalty manifests as extreme ruthlessness: she shows contempt for other men, dismissing them as "ugly" or "worthless," and employs brutal tactics like physical mutilation against perceived threats. Her sadistic tendencies, including a reputation for targeting male adversaries' groins, existed before meeting Hajime but intensified during her imprisonment.

Despite this harsh exterior, Yue forms complex bonds with Hajime's companions. She initially viewed other women in his life—the rabbit-eared Shea, the dragonkin Tio, and his childhood friend Kaori—as rivals, assigning derogatory nicknames like "Worthless Rabbit" or "Closet Pervert." However, she gradually accepted them as allies and eventual co-wives, cooperating in battles and shared goals. She demonstrates protectiveness toward Hajime's adoptive daughter, Myu, and respects figures like Remia (Myu's mother) and Aiko Hatayama (Hajime's former teacher).

As a vampire Atavist, Yue possesses unique abilities, including automatic regeneration granting functional immortality. Her mastery of ancient magic allows manipulation of elements like lightning and gravity. After conquering the labyrinths, she acquired "Concept Magic," enabling her to alter reality based on imagined concepts. She sustains herself by drinking blood, particularly Hajime's, which enhances her powers and serves as an expression of intimacy.

During the conflict against Ehit, Yue's body was temporarily possessed by the god seeking to use her as a vessel. She resisted his control, enabling Hajime to defeat him. Following Ehit's demise, she collaborated with Hajime to create a portal back to Earth using Age of Gods magic. In the aftermath, she married Hajime and adjusted to life in Japan, attending school with him. She displays newfound insecurities, such as sensitivity about her perceived idleness (labeled "NEET") and rivalry with Kaori over domestic skills.