 If you liked
Aria the Animation
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 ...then you might like
Heartcatch Precure!
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The premises are different. But both are episodic Slice of Life-Drama series with lighthearted comedy in between.
The characters are very nice (Heartcatch Precure has some villains because it's classic premise of mahou shoujo fighting evil, but I am talking about the protagonist and side characters who make the story here). They can restore your faith in humanity (a little) if you have lose it lol.