The female protagonist had transmigrated into a novel she was reading, and she had transmigrated into the female protagonist of that novel.

The female protagonist had transmigrated into a novel she was reading: She had transmigrated into the evil sister of the female protagonist in that novel. The evil sister was jealous of the female protagonist, so she drugged the male protagonist. After the evil sister died, the female protagonist transmigrated into her body. In the original novel, she was going to be killed by the male protagonist. What did the female protagonist know? Therefore, the female protagonist tried all kinds of ways to please the male protagonist in order to survive.
[Additional question: It's transmigrating from the void to the modern era, and she herself is also modern, like a CEO.]

Answer 1

If the female lead transmigrated to a novel she was reading, she might find herself the female lead of the novel. She might start to be curious about this strange world and begin to explore this new identity and role. She might meet all kinds of characters, including the male lead, the villain, and other supporting characters. These characters would have an impact on the female lead's life. In this new identity and role, the female protagonist might experience various adventures and challenges, and at the same time, she might gain a lot of precious experience and growth.