Japan · 2022
Category:  Anime
As children, Musashi and Kojiro made a promise to become the strongest warriors in the world. But in an era where demons rule Japan, that career has faded. Musashi has become a miner and Kojiro has suffered persecution. However, the two friends reunite when Kojiro rescues Musashi from a demon attack, and they swear to fulfill their dream and clear out the demons from their land.