[No cp, no character breakdown, pure villain, no whitewashing]
She took the sprig of peony given to her by her senior brother, looked at it with joy, and reluctantly watched him leave, the deep affection in her eyes showing like water.
However, when he walked away, her face instantly darkened. The peony fell to the ground, dust covering the petals without caring. She lovingly wiped the poisoned dagger in her hand, with a cruel look in her eyes.
Purpose: I want to write a novel in which the protagonist is a true villain and the character of the original protagonist remains intact.