ひだまりスケッチ
Hidamari Sketch
Official anime site:
http://www.tbs.co.jp/anime/hidamari/
Its based on a seinen 4-panel manga thats serialized in the seinen(young men's) moe 4-panel manga magazine
Manga Time Kirara Carat.
For now there are 4 volumes released of this manga.
Here are the covers:
Mangaka: Ume Aoki
Genre: Seinen, Comedy