Sunset Over the Killing Fields (2013)

Starring Nadech Kugimiya as Kobori, a Japanese Military Officer who is in the Japanese troop that invaded Siam, and Oranate D.Caballes as Angsumalin (Hideko), a Siamese girl who has complicated feelings toward Kobori, due to her feelings of guilt towards a commitment she had made with her boyfriend who went to study in England, and also because of her sense of nationalism. The story depicts first love from the perspective of young people, and how it affects their lives and their aspirations.