Non Non Biyori, Mitsuboshi Colors Recommendations
Well, both animes follow the adventures of a group of children, mainly girls, around their city, exploring and enjoying their lives all along the way. Very nice and relax to watch.
Both focus on children being, you guessed it, actual children. They act their age, unlike every other anime child.
And they're both extremely delightful to watch.
Both are slice of life anime which are mainly focus on the group of overly adorable girls. Both are heartwarming slice of life anime and definitely enjoyable.
Non Non Biyori -> Cute girls doing cute things in a peaceful rural countryside.
Mitsuboshi Colors -> Cute girls doing cute things in a busy urban city.
Essentially, Mitsuboshi Colors is a sillier series featuring younger kids and similar dynamics but now with a more urban backdrop and less school time
Both are slice of life, with both cute and funny moments.