The King of the East African Oil Kingdom called: "Dear Sir Lin Xian, I would like to invite you to come and participate in an exercise. The reward is 10% of the oil sales..." Lin Xian: "No time, I am busy!" The King of the Golden Kingdom called: "Dear Sir Lin Xian, I would like to invite you to come and participate in a performance. Report. The reward is a hundred tons of gold..." Lin Xian: "I don't have time!" A famous jewelry tycoon in the world of Aqua Blue Star Balance called: "Dear Mr. Lin Xian, I would like to invite you to come and perform. The reward is the largest jewel in the world..." Lin Xian: "Whether you want to be paid or not is secondary, I like the word "biggest..."