Hoshitsuguyo

Yuri Takamura lives in a small country town in Japan with his elder sister. He has a fascination with the stars and aspires to be an astronaut. When the night sky is clear, he ventures off to a secluded spot and watches the sky. Upon one visit, however, he comes across a mysterious girl who sets off a series of events in this small town.

[Edited from White Masq]