Magnolia Bearing Crimson Dew

She transmigrates into the book as the third-rate cannon fodder female character, the Prince Regent's secondary consort and the Empress Dowager's spy.

In the original story, she doesn't survive three chapters. The mad prince beats her to death, solely to trigger the story's climax.

Qin Honglu decides on the spot: she's going to give up and do nothing.