Joshikausei

This is a story of silent high school girls who are adorable even if they do not speak! Centered around the tragic yet beautiful Momoko, this anime is about the lives of three high school girls including the cool, glasses character, Shibumi, and the iyashikei chibi, Mayumi. This silly, comical daily life of these girls is about having fun alone or together with each other.

(Source: Honey's Anime)