 If you liked
KimiKiss Pure Rouge
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 ...then you might like
Itsudatte Bokura no Koi wa 10 cm Datta.
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both are about high school students and their love stories. The two animes are about first love, with several interlaced love stories. also, their genres are similar and both have a romance with a bit of comedy.
one more similarity is that the two animes are about shooting a movie for a film club.
in my opinion, because Kimikiss has 24 episodes, its story and characters develop better than the Itsudatte Bokura no Koi wa 10 cm Datta.