The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne.

The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Thus, the Eldest Princess helped both the Second Prince and the Crown Prince.
The Eldest Princess supported both the Crown Prince and the Second Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Therefore, the Eldest Princess helped both the Second Prince and the Crown Prince.
The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Thus, the Eldest Princess helped both the Second Prince and the Crown Prince.
The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Thus, the Eldest Princess helped both the Second Prince and the Crown Prince.
The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Thus, the Eldest Princess helped both the Second Prince and the Crown Prince.
The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Thus, the Eldest Princess helped both the Second Prince and the Crown Prince.
The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Thus, the Eldest Princess helped both the Second Prince and the Crown Prince.
The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Thus, the Eldest Princess helped both the Second Prince and the Crown Prince.
The Eldest Princess cooperated with both the Second Prince and the Crown Prince. On the surface, she supported the Crown Prince, but in reality, she had formed an alliance with the Second Prince and was using the Second Prince to seek benefits for herself. Thus, the Eldest Princess was both the Second Prince's and the Crown Prince's people. She used her status and influence to influence the situation and tried to make the Crown Prince ascend the throne. Thus, the Eldest Princess helped both the Second Prince and the Crown Prince.
In " Joy of Life," the plot where the Eldest Princess sacrificed herself to the Crown Prince was not clearly stated. According to the information on the Internet, some articles mentioned that the Eldest Princess sacrificed herself to the Crown Prince in episode 22, while others mentioned that it was in episode 15. It should be noted that this information may come from different versions of the series or different interpretation of the content of the series. If you want to know the specific content of the series, I suggest you watch the series or look for more detailed information.