Blade of the Immortal, created by Hiroaki Samura, is a historical fantasy manga series set in feudal Japan. The story follows Manji, a skilled samurai who is cursed with immortality after killing a hundred innocent men. Seeking redemption, Manji becomes a bodyguard for a young girl named Rin, who seeks revenge against the Itto-ryu, a group of ruthless swordsmen. Blade of the Immortal is known for its gritty and visceral action, complex characters, and exploration of themes such as redemption, morality, and the consequences of violence.