To gain more powerful abilities, she would not be a side character anymore once she enters the novel's world.
She would not consider possessing the female protagonist, unless it being a powerful character, while having the potential of becoming an iconic character. If the character's personality and abilities have already been fixed, it would be difficult for Zhao Youyue to manipulate the character's actions.
Ling Meiyue was the female protagonist in "Beautiful April." Even though Zhao Youyue adored and felt as if the character was her spirit animal, she did not have that divine talent in music. At her best, she would be at the same level with Zhao Youyue in real life. Thus, why would she choose to possess the female protagonist?
