Hoshi Ori Yume Mirai ^2.0

Ryousuke moved back to his hometown of Shionagi, which he had been away from for seven years, and transferred into his new school in the middle of the summer. He reunited with his childhood friend Marika, met the sole astronomy club member Sora and made new friends among his classmates. He joined the event management committee to enjoy his school life even more.
Spoiler: Overview cont.Along the way, he noticed the dreams of the girls around him, along with his own desires to be closer to them. On this particular summer day begins a love story that extends towards the future.

Game is avaialble for Windows