Planetarian: Chiisana Hoshi no Yume 7.56
Other Name: Planetarian, Planetarian: The Reverie of a Little Planet, planetarian~ちいさなほしのゆめ~
Summary: The world of rain that never stops after World War II. The most dangerous city [sealed city] abandoned by people due to the effects of biological weapons. There was a robot girl in the planetarium of the department store. Her name is "Yumemi Hoshino". She was a planetarium commentator and a fragile robot that could only operate for seven days a year. So she believed that someone would visit someday for thirty years and kept waiting in this empty world. And on the day of her awakening in her 30th year, a man appeared in front of her. A man "Beggar" who is wary of a robot that suddenly appears. His main business is to collect valuables, and while infiltrating the [Sealed City], he was wandered into the planetarium when he was attacked by a combat machine (Menchen Jaeger) wandering around the city. "How about a planetarium? A beautiful, unfortunate sparkle that never disappears ... The stars in the sky are waiting for you." What does he do there in this perishing world where even the stars disappear? Do you see it? A robot girl who can only operate for 7 days in a year came by chance on the very day she woke up. What is the miracle that happened there?