Hundreds of years have passed since a weather control satellite went haywire and started a war that destroyed the human race. After waking up from a long sleep, the android Laliberta met a clone girl named Speranza. Since Speranza could not live in the open air, the two interact with each other through a window... This is a series of stories depicting the thoughts and feelings of the girls surrounding the apocalypse.

1. Saiteigi Suru Kibou (再定義する希望)
2. Tsugihagi no Kibou wo Idaite (継ぎ接ぎの希望を抱いて)
3. Tomoshibi no Kikaitachi (灯火の機械たち)
4. Kimi to Sekai no Owari wo Tazunete (きみと世界の終りを訪ねて)
(Source: Ichijin Plus, translated)