A top agent pretends to be a sadistic villain, but the system allows me to play the villain full-time? Then don't blame me for tearing up the plot and taking the biggest boss in the original book as an ally.
The heroine Su Wan: Before time travel, she was a top artist manager who was calm, decisive and superb. She was good at discerning people's hearts and strategizing. After time travel, she appears to be a weak little white flower, but on the inside she is rational and clear-headed, capable of retribution, and has top-notch acting skills.
The male protagonist, Lu Jingxing, is an academic CEO (of a biotechnology company) who looks as gentle as jade, but is actually deep-minded, accurate in calculation, and both good and evil. Appreciate all the "interesting" variables and opponents.