If you liked
Bishoujo Senshi Sailor Moon
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...then you might like
Mahou no Tenshi Creamy Mami
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Both series are about a girl who gets magical powers, both have talking cats, and both contain romance.
Both are magical girl anime with animal sidekicks, an older love interest, and a young female protagonist. Creamy Mami also has space elements like Sailor Moon.
Girls with magical powers with normal everyday lives with similar artstyles. Though not as action packed, it's a nice and wholesome journey.