Ongaku Shoujo

Eri, a girl who likes to stay indoors, meets a mysterious but enthusiastic transfer student named Haru. Eri used to love to sing and Haru loves Eri's singing. The story follows the two during one summer of their high school life as their love sometimes overlaps and sometimes passes by each other. (Source: ANN) Project by Studio Deen announced to be part of Anime Mirai 2015.