The fall 2019 anime adaptation of the Blade of the Immortal manga series from Hiroaki Samura is underway on Amazon Prime. The official Japanese site has now updated to talk about the next episode which is episode twenty-one due out on March 5th, 2020 of the series. The series is directed by Hiroshi Hamasaki based on the scripts by Makoto Fukami. Shingo Ogiso is on board as the character designer with LIDEN FILMS handling the animation production.
The Japanese cast includes Kenjiro Tsuda as Manji, Ayane Sakura as Rin Asano, Nozomu Sasaki as Kagehisa Anotsu, Eiji Hanawa as Sabato Kuroi, Houko Kuwashima as Makie Otono-Tachibana, Tatsuhisa Suzuki as Taito Magatsu, Shunsuke Sakuya as Eiku Shizuma, Shinya Fukumatsu as Sōsuke Abayama, Yousuke Akimoto as Saburō Anotsu, Masato Obara as Araya Kawakami, Jouji Nakata as Kagimura Habaki, Marika Hayashi as Kyakurin, Hiroshi Shirokuma as Giichi, Tooru Nara as Shira, Chikahiro Kobayashi as Shinriji, Tomokazu Seki as Sōri, and Ako Mayama as Yaobikuni.
The series completed in Japan back in 2012 and Dark Horse released the series in full before starting in on omnibus editions.
Plot concept: Edo, an era of warriors. There lived an immortal man, the Slayer of Hundreds, ‘Manji.’ He meets Rin, who has sworn vengeance for her parents. Rin’s grudge is against a group of swordmasters – Ittou-ryu. She asks Manji to be her bodyguard on her journey. He refuses, but then sees his late sister in Rin. So began the violent struggle that would bring even the immortal Manji to his knees.