Pandora Hearts is a dark fantasy anime series based on the manga by Jun Mochizuki. It follows the story of Oz Vessalius, a young heir who is abruptly thrown into the Abyss, a supernatural prison, during his coming-of-age ceremony. There, he encounters Alice, a mysterious girl known as the 'Bloodstained Black Rabbit.' Together, they unravel the secrets of the Abyss and the enigmatic organization called Pandora. The series blends mystery, adventure, and psychological elements, captivating viewers with its intricate plot and intriguing characters.