Explore the Stars and Collect the Long Knives of All Realms

The universe is lively, and the earth is not alone. Strange biological groups and different life civilizations. Some believe in gods, some put science first; The indigenous civilization longed for the starry sky, and the cosmic organization developed the planet. But please believe that the Universal Human Alliance will work hard to ensure that human civilization on every planet is not extinct. It's just that sometimes you may need to pay some compensation. For example, a certain professional astronaut likes to collect famous swords from all over the world...