The Legend of Dororo and Hyakkimaru manga volume 6 features an original story by Osamu Tezuka, with adaptation and art by Satoshi Shiki.

Hyakkimaru is at last reunited in brotherhood with Tahomaru, his long-lost sibling. After living for so long in bitter and violent solitude, he rejoices at their reunion, yet their newfound fraternal bond will soon be tested. The brothers come face-to-face with their father, Daigo, a man so ruthless as to have sacrificed his own flesh and blood to demons in the pursuit of power!