A girl walks alone in a world without humans. Her mission―to search for survivors and cleanse the land. But is anyone still out there in the lonely, beautiful ruins, waiting...

As Saya continues to search for survivors, a single robot appears before her. The library it manages may be bereft of visitors, but it devotes itself to its task out...

As Saya, Isami, and Kanoko journey together in search of Usa, the three unexpectedly come across a flower-filled mansion and its lone automated caretaker. The robot claims to have met...

In a world where everything has ended, only time marches onward on silent footsteps. When Saya and the others encounter an android who’s been running a clock repair store since...