After experiencing the pre-interstellar age, the paths of the planets where people lived were filled with the wreckage left by various pioneers. In addition to these, there are also the body fragments left after the collision of various bodies, which are still in the unknown darkness. An outpost hiding an unknown civilization is monitoring people living in a stable life. These are called cosmic viruses. In order to safely navigate in the universe, people can only constantly eliminate the tattered space recyclers to clean up these “viruses”. , In order to ensure the safety of people's cosmic navigation.

Kozo, as an excellent space tattered recycler, takes her pet Neko to work between the universe and the planets every day. Although this work is very hard, but there is a considerable income, Kozo never thinks that they are picking up garbage. Yes, because she firmly believes that she will eventually find treasures in it and make her rich overnight.