Description: At a certain time in the future, maybe far, far into the future, maybe you and I don't exist anymore. As the ordinary world of us, what is the meaning of existence? It's a small thing, but you can still create something on your own. It may be small, but it still has some value. Yes, creating value is a very important meaning of survival. Or accomplish a great mission and save a planet!! In the unknown planet, unusual changes have taken place; brave adventurer, are you ready to meet the challenge?