Fan Xian was Ye Qingmei's guinea pig.

Fan Xian was Ye Qingmei's experimental subject. In the letter, Ye Qingmei explained that Fan Xian was an experimental subject who had turned his memories into data. He was the only successful experimental subject. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. Therefore, according to the information provided, Fan Xian was the only successful case of Ye Qingmei's experiment. He was an experimental subject who had successfully inserted the memories of modern civilization into his body.

Fan Xian was Ye Qingmei's experimental subject. According to the information provided, Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. Thus, it could be confirmed that Fan Xian was Ye Qingmei's test subject.

Fan Xian was Ye Qingmei's experimental subject. Ye Qingmei had conducted an experiment to convert the memories of modern civilization into data and successfully inject them into Fan Xian's body. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. According to the information provided, Fan Xian was the only successful case of Ye Qingmei's experiment.

Fan Xian was Ye Qingmei's experimental subject. According to the information provided, Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. In her letter to Fan Xian, Ye Qingmei explained that Fan Xian was a test subject who had successfully transferred the memories of modern civilization into his body. Thus, Fan Xian was both an experiment and Ye Qingmei's son.

Fan Xian was Ye Qingmei's experimental subject. According to the information provided, Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. Thus, it could be confirmed that Fan Xian was Ye Qingmei's test subject.

Yes, Fan Xian was Ye Qingmei's experimental subject. Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Thus, it could be confirmed that Fan Xian was Ye Qingmei's test subject.

Fan Xian was Ye Qingmei's experimental subject. According to the information provided, Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. In her letter to Fan Xian, Ye Qingmei explained that Fan Xian was a test subject who had successfully transferred the memories of modern civilization into his body. Thus, Fan Xian was both an experiment and Ye Qingmei's son.

Fan Xian was Ye Qingmei's experimental subject. According to the information provided, Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. In her letter to Fan Xian, Ye Qingmei explained that Fan Xian was a test subject who had successfully transferred the memories of modern civilization into his body. Thus, Fan Xian was both an experiment and Ye Qingmei's son.

Fan Xian was Ye Qingmei's experimental subject. According to the information provided, Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. Thus, it could be confirmed that Fan Xian was Ye Qingmei's test subject.

Fan Xian was Ye Qingmei's experimental subject. According to the information provided, Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Fan Xian was born in the feudal Qing Kingdom, but he had modern memories. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. In her letter to Fan Xian, Ye Qingmei explained that Fan Xian was a test subject who had successfully transferred the memories of modern civilization into his body. Thus, Fan Xian was both an experiment and Ye Qingmei's son.

Fan Xian was Ye Qingmei's experimental subject. According to the information provided, Fan Xian was an experimental subject that turned memories into data. He was the only successful case of Ye Qingmei's experiment. Although Fan Xian was Ye Qingmei's son, he did not have a biological father. Thus, it could be confirmed that Fan Xian was Ye Qingmei's test subject.