Non Non Biyori

Elementary school student Ichijou Hotaru has moved with her parents from Tokyo to the middle of the country. Now she must adapt to her new school, where there are a total of 5 students in the same class who range through elementary and middle school ages. Join their everyday adventures in the countryside.

(Source: MangaHelpers)

Included one-shot:
Volume 1: Yume no Yume