Charlotte Elbourne is the seventeen-year-old human daughter of a wealthy frontier family who becomes the central figure in a跨-species romance that drives the narrative of Vampire Hunter D: Bloodlust. She is a young woman of striking appearance, characterized by her long, dark brown hair that reaches her back, often styled with braids on either side of her head and adorned with pearls. Her eyes are a notable amber color, and she possesses a slim, beautiful figure. Her attire evolves over the course of the story, beginning with a flowing silk nightdress and a deep green cape, and later changing into a traditional wedding-like dress, symbolizing her commitment to her chosen path.

At first glance, Charlotte appears to be a typical victim of a vampire abduction, but her true nature is that of a willing participant and a woman of profound emotional depth and unshakeable resolve. Far from being a passive captive, she is deeply and genuinely in love with the noble vampire Meier Link, having chosen to leave her family and human life behind to be with him. This decision is not made lightly; she is fully aware of his reputation as a powerful member of the Nobility, yet she remains completely unfazed by the warnings and fears of others. Her personality is defined by a gentle, kind, and almost aristocratic demeanor, but this softness masks a core of extraordinary bravery and steely determination. When confronted by the legendary vampire hunter D, she displays her fierce loyalty by telling him that he should kill her if he attempts to force her to return home, stating she would rather die than be separated from Meier.

Charlotte's primary motivation is the pursuit of love and an escape from a profound sense of loneliness. Despite her privileged background, she experienced an isolation so deep that even her own family could not alleviate her sorrow. Meeting Meier Link gave her life meaning and purpose, and she becomes passionately dedicated to spending eternity with him. This desire is so strong that she repeatedly begs Meier to turn her into a vampire, a request he refuses out of his own love for her, believing the life of a night creature to be too terrible. Her goal is not merely to elope but to journey with him to the legendary "kingdom at the end of the stars," a vampire refuge in space where they could be together without turning her. This makes her a proactive agent in her own story, a young woman who defies social norms and family expectations to follow her heart.

Her role in the story is that of the catalyst for the entire conflict. Her disappearance, initially misinterpreted as a kidnapping, prompts her wealthy father and brother to hire both the solitary dhampir D and the ruthless Marcus Brothers vampire-hunting team to retrieve her. This sets off a desperate race between the hunters and the fleeing couple. Throughout the journey, Charlotte serves as a mirror to the other characters, particularly D and the human hunter Leila. Her unwavering love for a vampire challenges D's own conflicted nature as a half-breed and his possible fears about the birth of another like him. For Leila, whose mother was turned into a vampire and subsequently killed by humans, Charlotte's choice is a source of anger and frustration, representing a naive and dangerous folly. Charlotte's steadfastness forces both hunters to confront their own prejudices and understandings of love and monstrosity.

The most significant relationship in her life is, of course, with Meier Link. Their bond is one of mutual respect and deep affection. He treats her with a gentleness atypical of his kind, and she sees past his monstrous nature to the lonely being within. Key relationships also form with her pursuers. When she briefly speaks with D during a stop at a ruin, she openly explains her feelings, showing no fear of the infamous hunter. Her interaction with Leila is more hostile, culminating in Leila slapping her and calling her a fool, yet Charlotte does not waver in her conviction. Later, in the castle of the malevolent Countess Carmilla, Charlotte is tragically deceived by an illusion of Meier, leading to her being bitten and nearly turned into a sacrifice for the Countess.

Charlotte undergoes a subtle but important development. Initially presented as a damsel waiting to be abducted—anxiously awaiting Meier in her room as a mirror cracks to signal his arrival—she quickly reveals her agency. Her development is not a change in personality but a progression towards her goal, demonstrating increasing resilience as the journey becomes more perilous. She endures attacks, harsh words, and the ultimate betrayal by Carmilla, all while maintaining her devotion to Meier. Her physical vulnerability is highlighted throughout, yet her willpower is consistently portrayed as stronger than any weapon. She physically throws herself in front of Meier to protect him from the Marcus brothers, pulling an arrow from his chest and declaring she cannot live without him, an act of pure courage and devotion. Even as she lies mortally wounded after Carmilla's attack, her resolve remains unbroken.

Charlotte Elbourne does not possess any superhuman or physical abilities. Her power is entirely emotional and psychological. Her notable ability is her capacity for absolute, unwavering love and the extraordinary willpower it grants her. This inner strength enables her to stand up to powerful beings like D, endure the harsh realities of a journey through a dangerous frontier, and make profound sacrifices. Her courage and determination are her defining traits, proving more effective in her quest for happiness than any sword or gun carried by the hunters who chase her. In the end, whether she achieves her dream of a life with Meier Link among the stars or succumbs to her injuries is left with an ambiguous, tragic beauty, but her status as a romantic heroine who defied her world for love remains absolute.