The female protagonist has a plane trading system, and her father is an immortal uncle and the nephew of the Heavenly Emperor. You can refer to the following example: [Defiant Female Immortal] Description: Su Yao is a female immortal with a face-to-face trading system. Her father is an immortal and her uncle is the nephew of the Heavenly Emperor. Between immortals and mortals, the trading system became Su Yao's most powerful weapon. She could use it to easily obtain the items that mortals needed and even obtain more wealth and power through trading. However, her fate was not smooth sailing. She would encounter all kinds of challenges and difficulties and experience many unexpected things.