Golden Mosaic

Kiniro Mosaic (きんいろモザイク, Kin'iro Mozaiku) also know as Kinmoza! (きんモザ) is a 12-episode Japanese anime television series produced by Studio Gokumi. It began airing on July 6th, 2013.

Plot
Shinobu Ōmiya is a young girl who once stayed in England, where she met Alice Cartalet, enjoying the time spent with her. One day, Shinobu receives a letter from Alice saying she is coming to Japan, and surely enough she appears and joins her at her school.

Official
Kiniro Mosaic Anime Website (Japanese)