Humanity is forced to abandon earth so that it might be reborn again. The genetic degradation and climatically impossible situation presents a loss of an entire species. However, the Tensei program is set in place and humanity is saved. Now, 500 years later a predecessor, an ancestor, a pioneer is found. A lost relic of an ancient civilization bound by the gravity of a celestial being - whose only merit in the annals of history is launching the Tensei, humanity's last hope.