 If you liked
DearS
|
 ...then you might like
Ano Natsu de Matteru
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Both series belong to the categories that are defined as romantic comedy but also contains sci fi themes.
In both series, the main protagonist meets an strange being and bonds with them. As the series progresses, the main protagonist and the girl begins to develop feelings towards one another.
Both series contain drama, comedy, action, and of course romance later on. And with drama of course brings forth love triangles, misunderstandings, and even wild chases later on.