Blade of the Immortal is a dark samurai action seinen manga set in feudal Japan, following Manji, a cursed swordsman granted immortality who must kill one thousand evil men to atone for his past sins. Armed with unconventional fighting techniques and unable to die, Manji becomes the bodyguard of Rin Asano, a girl seeking revenge against the brutal Itto-Ryu sword school that slaughtered her family. Known for its gritty realism, graphic sword combat, historical atmosphere and philosophical themes of revenge, honor and mortality, the series attracts readers searching for mature samurai manga, brutal sword fights, revenge-driven narratives, morally complex characters and Edo-period drama. Perfect for fans of Vagabond, Rurouni Kenshin’s darker side, Lone Wolf and Cub and historical action manga with emotional depth. A must-read for those who enjoy raw violence, beautiful art and thought-provoking storytelling. 🔎 Keywords: Blade of the Immortal manga, samurai revenge seinen, Manji immortal swordsman, Edo period action, brutal sword combat manga, dark historical drama, revenge quest story, mature samurai manga. Meta Description: Blade of the Immortal is a dark samurai seinen manga about Manji, an immortal swordsman seeking redemption through vengeance and brutal sword battles in feudal Japan. Alternate Titles: Blade of the Immortal Manga / 無限の住人 / Mugen no Juunin / Mugen no Jūnin / Blade of the Immortal manga english