Celestial Method

is a 13-episode Japanese anime television series created and written by Naoki Hisaya and produced by Studio 3Hz. The series aired in Japan between October 5 and December 28, 2014. A short original video animation episode was released on July 24, 2015. A manga adaptation illustrated by Yuka Namisaki was serialized in ASCII Media Works' Dengeki Daioh magazine.

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/