There is such a "world", and all the people living in the "world" are taskers. Taskers are divided into five levels. They will be bound to a task issuer called "Yu". They go to other worlds to complete tasks and return to the "world" in exchange for world coins, and then use the world coins to exchange for the things they need. West, and accumulated experience from the missions to upgrade her level. Yu Xiangyu bound "Yu". After completing missions one after another, she found that missionaries were not only divided into five levels, but the mission dispenser she was bound to was not called "Yu". The most important thing was the "world" in which she lived...
Concept: The world is huge and full of wonders