Magical Suite Prism Nana
Type: OVA, Episodes: 7
Aired: Nov 29, 2015 to ?
Studio: Shaft
Source: Original
Synopsis:
In a future not too distant from ours, Nanagoo City is a beautiful city in Japan surrounded by mountains and ocean-sides. The sensitive, adolescent girls who live there are each opening up doors to their own, unique possibilities. No one wants to forget the path they take to adulthood.

(Source: ANN)