In the original novel, Palace Intrigue, there was indeed a scene where the supporting female character, Hua Manman, slaps the female lead, Hua Qingqing.
This part of the plot was mainly to showcase Hua Manman's unreasonable and domineering nature, thereby drawing the readers' full animosity.
As a result, after the two sisters entered the palace, the readers all looked forward to the female lead getting promoted, receiving a raise, and reaching the pinnacle of her life, so she could crush the brain-dead supporting character Hua Manman and avenge that slap.
What Hua Manman hadn't expected was this.
'I've already escaped the plotline of entering the palace as a concubine, yet I still can't escape my destiny of being the female lead's enemy!'
'Everyone knows that anyone who opposes the male and female leads will never have a good end.'
'The system is forcing me to walk into my own grave!'
...
