When Li Yunrui was having fun, he treated the Crown Prince as the Qing Emperor.

In the play Joy of Life, Li Yunrui used the Crown Prince as a substitute for the Qing Emperor and seduced the Crown Prince to increase her power. This might be because the Crown Prince looked like the Qing Emperor. However, the search results did not provide any clear information about the plot or reason why Li Yunrui had mistaken the Crown Prince for the Qing Emperor during their time together. Therefore, the details of this issue were still unclear.

In the play Joy of Life, Li Yunrui used the Crown Prince as a substitute for the Qing Emperor and seduced the Crown Prince to increase her power. This might be because the Crown Prince looked like the Qing Emperor. However, the search results did not provide any clear information about the specific plot or reason why Li Yunrui had mistaken the Crown Prince for the Qing Emperor during their time together. Therefore, the specific details of this problem were still unknown.

In the play Joy of Life, Li Yunrui used the Crown Prince as a substitute for the Qing Emperor and seduced the Crown Prince to increase her power. This might be because the Crown Prince looked like the Qing Emperor. However, the search results did not provide any clear information about the plot or reason why Li Yunrui had mistaken the Crown Prince for the Qing Emperor during their time together. Therefore, the specific details of this problem were still unknown.

In the play Joy of Life, Li Yunrui used the Crown Prince as a substitute for the Qing Emperor and seduced the Crown Prince to increase her power. This might be because the Crown Prince looked like the Qing Emperor. However, there was no mention of the exact episode in which this happened.

In the drama Joy of Life, Li Yunrui saw the Crown Prince as a substitute for the Qing Emperor. This was because the Crown Prince looked like the Qing Emperor. Li Yunrui used the Crown Prince to increase her power. This relationship was not pure. In the end, it caused the Crown Prince to lose his identity as the heir to the throne and was deposed by the Qing Emperor. The Qing Emperor paid the price for his actions. In the end, he was besieged by his own son, Fan Xian. However, the search results did not provide any clear information about the exact plot or the exact number of episodes where Li Yunrui had mistaken the Crown Prince for the Qing Emperor.

In the play " Celebrating Years," Li Yunrui used the Crown Prince as a substitute for the Qing Emperor and seduced the Crown Prince to increase her power. This might be because the Crown Prince looked like the Qing Emperor. Thus, it could be said that Li Yunrui treated the Crown Prince as the Qing Emperor when they were having sex.

There was no clear information about the plot or reason why Li Yunrui treated the Crown Prince as the Qing Emperor in the drama series Joy of Life. The search results only mentioned that Li Yunrui saw the Crown Prince as a substitute for the Qing Emperor. She seduced the Crown Prince to increase her power, perhaps because the Crown Prince looked like the Qing Emperor. However, the search results did not provide any clear information about the plot or reason why Li Yunrui had mistaken the Crown Prince for the Qing Emperor during their time together. Therefore, the specific details of this problem were still unknown.

In the play Joy of Life, Li Yunrui used the Crown Prince as a substitute for the Qing Emperor and seduced the Crown Prince to increase her power. This might be because the Crown Prince looked like the Qing Emperor. However, the search results did not provide any clear information about the plot or reason why Li Yunrui had mistaken the Crown Prince for the Qing Emperor during their time together. Therefore, the specific details of this problem were still unknown.

Li Yunrui treated the Crown Prince as the Qing Emperor in the play. This might be because the Crown Prince looked like the Qing Emperor. Li Yunrui saw the Crown Prince as a substitute for the Qing Emperor and seduced the Crown Prince to increase her power. However, there was no mention of the exact episode in which this happened.

According to the provided search results, it is mentioned that Li Yunrui in the drama "Joy of Life" has feelings for both the Crown Prince and Emperor Qing. It was stated that Li Yunrui saw the Crown Prince as a substitute for the Qing Emperor and wanted to use his position to enhance her own power. However, it is also mentioned that Li Yunrui has a secret alliance with the Second Prince and supports both sides to benefit herself. The exact episode in which Li Yunrui expressed her feelings for the Crown Prince as if he were the Qing Emperor was not specified in the search results.

In the play Joy of Life, Li Yunrui used the Crown Prince as a substitute for the Qing Emperor and seduced the Crown Prince to increase her power. This might be because the Crown Prince looked like the Qing Emperor. However, the specific circumstances or reasons did not provide clear information.