Planetarian: The Reverie of a Little Planet

Thirty years have passed since the Space Colonization Program failed. Humanity is nearly extinct. A deadly, endless Rain falls on the Earth. Men called "Junkers" scavenge goods and artifacts from the ruins of civilization. One such Junker slips alone into the most dangerous ruin of all, a "Sarcophagus City." At the center of this dead city, he finds a pre-War planetarium. As he steps inside, Hoshino Yumemi, a companion robot, greets him. Without a shred of doubt, she assumes he is the first customer she has had in 30 years. She tries to show him the stars right away, but the planetarium projector is broken. Unable to make heads or tails of her conversation, he ends up agreeing to try and repair the projector...