The two-volume series (which saw a slimmer four-volume run in 2017) came out in 2014 and won a couple of awards.
GKIDS previously announced their pickup of the North American rights to the film that’s part of the Annecy International Animation Festival 2021 showcase.
Van leads his warriors into a losing battle all the same, quickly finding himself enslaved, toiling away at a salt mine.
The film is directed by Masashi Ando based on the screenplay by Taku Kishimoto.