(About the filmmakers) Nagahisa cited Anno as one of his artistic inspirations, hence similar elements such as coming-of-age, friendship, & liberation.
One has more whimsical & vibrant style, while the other is dark & disturbing.

- Similar themes: sending letters, missed chances, & grief
- Both used Library as significant setting

Related shows on NHK. Both depict how people deal with menstruation—the experience that varies from one woman to another, the perception of men, or how open the culture about it.

Both comedies in which the main characters attempted crimes but failed. The difference is, the female lead in the movie is bold about it, while in the drama, the female lead is soft, and has no choice but to resort to it.

Both have similar endings. If you've watched one of them, you'll know the ending of the latter. One is a dark, serious HK short film; the other is a horror/comedy Korean full-length film.

- Both mystery stories set in a rural village.
- Both depict how locals (particularly elders) nitpick on newcomers/youngsters.
- Both have unclear endings. One wasn't directly told, the other might have a sequel.

In both stories, there's a character who helped two people to conceal their crimes. One is a smart detective who seeks justice/revenge for his family, while the other is a Math genius teacher who felt protective of the woman he likes.

Both are nature documentaries. One features a certain island in Japan with its beautiful sceneries, along with a melodic soundtrack that makes it relaxing to watch. While the other one features aerial shots of mountainous forests and panoramic fields in Taiwan, with insights on exploitation of these natural resources and its aftermath.

Both are light, feel-good dramas about female leads traveling to rural places in Japan and featuring them on a tv program or a magazine.

Both are comedies set in a grocery store with commentaries on marketing business. One was more satirical to its politics/system, while the other straight up conveyed the issues and came up with solutions.

Both leads are office ladies who like to eat delicious meals after work to relieve their stress. Both dramas show the restaurant's location at the end of each episode.

Both are touching stories of two comedy performers—their struggles and success in years of experience.