The search for a "piece" matching your query corresponds to , titled " Wenkamuy " . This episode has an approximate runtime of 23 minutes and introduces the central characters and the "Ainu Gold" treasure hunt plot. Episode 1: "Wenkamuy" Breakdown
The first episode establishes the "gritty war Japanese western" tone of the series, moving from brutal battlefield memories to the unforgiving wilderness of Hokkaido. [Spoilers] Golden Kamuy - Episode 1 Discussion : r/anime