It's gonna be distributed in western countries by Crunchyroll
The company announced it in twitter: it will be distributed by them in western area
https://twitter.com/Crunchyroll/status/1147642038608732160?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1147642038608732160&ref_url=https%3A%2F%2Fcomicbook.com%2Fanime%2F2019%2F07%2F07%2Fcrunchyroll-konosuba-crimson-legend-film-united-states%2F