Celestial Method

Sora no Method (天体のメソッド) is an upcoming original anime series written by Naoki Hisaya with characters designed by QP:Flapper.

Plot
Nonoka Komiya is a girl who once lived in Lake Kiriya City, based off of Lake Tōya Hokkaido, where she met a blue-haired girl named Noel. Seven years later, Nonoka returns to the city, which now has a mysterious saucer floating above it, and reunites with Noel, who promises to grant her wishes.

Official

 * http://sora-no-method.jp/