A Technological Future: Roaming the Universe

Technology in the future is incredibly advanced, and several nearby stars have been put to use. They say the largest flying car and spaceship factory was built on Mars. Earth's garbage is shipped to Venus, where robots sort it. Anything useful is sent to other planets for recycling and processing.

The rest is dealt with on the spot. Well, how should I put it? You can still find some useful parts. Yan Yue and her caretaker robot Xiaohua found all kinds of materials in the garbage dump and built a basic spaceship. They flew off in it to find Robot Lu, then set out together to find what Yan Yue's father had left behind on some planet…