Dororo "Bon"

Dororo Bon (どろろ梵) is a spin-off series written and illustrated by Daisuke Dōke,
conceived as a continuation and reimagining of the original manga's ending.

500 years after first series events Hyakkimaru is reincarnated as a woman, still with his past curse hunting him.
She continues her journey to take her body parts back from the demons,
including Dororo who had become a demon herself.