Kin-iro Mosaic

Kin-iro Mosaic is an ongoing Japanese manga written and illustrated by Yui Hara that started publication in June 2010. An anime adaptation by was announced, and started airing on July 6, 2013.

In 2015, the second series came out.

Plot
Shinobu Ōmiya is a young girl who once stayed in England, where she met Alice Cartelet, 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.

Trivia

 * The respective opening and ending themes of the anime are "Jumping!!" and "Your Voice", both performed by Rhodanthe.
 * The family names of the Japanese characters are derived from famous streets in Kyoto-City, Japan.
 * The model of the town where the characters live lies in Chiba prefecture (especially the northwest area), Japan.