Vanitas is the enigmatic protagonist of the anime series "Vanitas no Carte." He is a human who claims to be a vampire doctor, wielding the mysterious "Book of Vanitas" to heal and manipulate vampires. With a mischievous yet charismatic personality, Vanitas often finds himself at the center of various conflicts between humans and vampires. His ultimate goal is to cure the vampire race of their afflictions. Throughout the series, Vanitas' complex past and motivations are gradually revealed, making him both a captivating and mysterious figure in the storyline.