Reviews: RottenTomatoes (N/A), IMDB (7.7), Wikipedia, Amazon.

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Similar movies: anime, romance, separation.

Summary: A touching story of friendship between Hotaru and Gin. At the age of six, Hotaru is lost in a forest near her grandfather's home in the countryside. She is rescued by Gin, a forest spirit that never ages. He looks like a young man and almost always wears a mask. The twist in the plot: if Gin ever touches a human, it will cause him to disappear forever. Hotaru returns every summer to meet Gin, who eagerly awaits her return. As Hotaru grows into a young woman, their friendship becomes romantic and limitations emerge. For example, she wants to "glomp" Gin but can't. Overall, a watchable movie showcasing romance with a twist. Background music is good.

I discovered this movie at Anime Movie Guide, which reviews all Japanese anime movies worth watching.