 If you liked
Udon no Kuni no Kiniro Kemari
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 ...then you might like
Kumichou Musume to Sewagakari
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These are two anime that are chill and basically make you want children. In the two case the MC is someone with a good hearth.
Personally I have passed a really good time watching both. And that was really calm for the majority of those show even if there is one or two episode in both that make me fill less chill, because there are moment with serious business.