He can't run! He can't eat hard food. You can't get any weaker than the boy named Hachimaru. But his dream is to become a samurai. For a boy who can't even survive without the help of his father, that dream seemed impossible. But when a samurai cat appears before him, his whole life will change! A legendary manga creator and a rising star come together to bring you this science fiction samurai epic! (Source: MANGA Plus)

Samurai 8: Hachimaru Den was simulpub in English as Samurai 8: The Tale of Hachimaru through MANGA Plus. The volumes were published by VIZ Media from March 3, 2020 to February 2, 2021.