Inspired by the aesthetic of ancient Greek and Mesopotamian myths, the story follows an androgynous protagonist named Usumgal (which means 'Dragon')[b] who lives in a mythological world.

Hakusensha announced Duranki in 2019, stating the manga would launch in the inaugural issue of Young Animal Zero [ja], with two chapters, totaling 64 pages.

In response, Miura gave an interview where he clarified that his involvement in Duranki would be relatively minimal and not impede the progress of Berserk.

Based on suggestions from Hakusensha, Miura served as the "director" of the project, drawing the storyboards and rough copies for each installment while his assistants at Studio Gaga do the majority of the work, including the inking.

In September of the same year, Hakusensha announced that the manga had ended, after consideration and discussions between the editors and Studio Gaga.