Basically the movie takes places in an alternate reality where the gender roles are reversed, so women act/dress like men and men act/dress like women. It's a short film about 30 minutes long or so.
Source: https://www.imdb.com/title/tt5178220/
Download link: https://archive.org/download/girls-and-boys-28gwt-6qvx-9v-5x-4j-1649492322/GIRLS%20AND%20BOYS%20%5B28gwt6qvx9v5x4j%5D%201649492322.mp4