Blade of the Immortal (無限の住人, Mugen no Jūnin?, lit. "The Inhabitant of Infinity") is a Japanese manga series by Hiroaki Samura. The series is set in Japan during the mid-Tokugawa Shogunate period and follows the cursed samurai Manji, who has to kill 1000 evil men in order to regain his mortality. The manga was originally published in Afternoon from June 25, 1993 – December 25, 2012. A 2008 anime adaption was produced Bee Train and Production I.G. Also in 2008, the novel Blade of the Immortal: Legend of the Sword Demon was released in the United States by Dark Horse Comics. Blade of the Immortal follows the deeds of Manji, a skilled samurai who has a decisive advantage: no wound can kill him, except for a rare poison. In the past, his criminal actions led to the death of 100 other samurai (including his sister's husband). He becomes immortal at the hand of an 800-year-old nun named Yaobikuni, and is compelled by the death of his sister to accept the quest that will end his ...