Space Date 366 - A Federation officer is transported to a mystical planet. While searching for a way to return, an encounter with a young girl draws him into an effort to save her people, just as an ancient prophecy had foretold...
Choose your path and witness an awakened destiny.

Experience a story with dual protagonists
Start your journey with either Claude or Rena. Depending on your choice, the perspectives and allies you can recruit will change.
Meet party members through the unique private action system, develop relationships, and unlock various endings.
New character illustrations have also been created by the long-time series artist Yukihiro Kajimoto.