The Legend of Dororo and Hyakkimaru Vol 6

From the Seven Seas Entertainment edition

A BLOOD-SOAKED FAMILY REUNION 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!

Source: Penguin Random House API