A development base on Z was destroyed under mysterious circumstances 100 years ago, which is suspected to be related to the more recent disappearances. Players take control of crew member Kou Asamiya aboard the Pilgrims, as it encounters an emergency in an asteroid belt, and some crew members appear to suffer from memory loss.

A development base on Z was destroyed under mysterious circumstances 100 years ago, which is suspected to be related to the more recent disappearances. Players take control of crew member Kou Asamiya aboard the Pilgrims, as it encounters an emergency in an asteroid belt, and some crew members appear to suffer from memory loss.