Sayon's Bell

Sayon's Bell is a 1943 black-and-white Japanese film directed by Hiroshi Shimizu and based on the true story of a 17-year-old Atayal girl called Sayun Hayun from Nan'ao village, Giran district, Taihoku Prefecture, Taiwan, who went missing and was thought to have drowned whilst helping carry the luggage of her teacher Masaki Takita during a storm in 1938.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.