A film set in East Asia (probably South Korea) about an island where deaths occur and naive people thought that the deaths had supernatural origins, but if I’m not mistaken, it turned out that this was not the case.The film gets scary in its third act and has a twist at the end.
Guess list 1: https://www.imdb.com/search/title/?title_type=feature,tv_movie&release_date=1990-01-01,2024-12-31&genres=horror,!documentary,!short&plot=island&country_of_origin=JP&sort=release_date,asc
– celebes.warty.pigGuess list 2: https://www.imdb.com/search/title/?title_type=feature,tv_movie&release_date=1990-01-01,2024-12-31&genres=horror,!documentary,!short&plot=island&country_of_origin=KR&sort=release_date,asc
– celebes.warty.pig