"Blade of the Immortal" is a Japanese manga series created by Hiroaki Samura. It follows the story of Manji, a skilled samurai cursed with immortality, who seeks redemption for his past sins. To regain his mortality, he must kill 1,000 evil men. The series is known for its unique art style and deep themes, including the nature of life and death. It combines elements of action, drama, and philosophy, making it a compelling read for fans of the samurai genre. The manga has also been adapted into an anime and live-action films.