The Rebirth of the Poisonous Concubine: the Abstinent Regent Is Out of Control

The maid who was reborn after a tragic death, relied on her superb poison skills and past life memories to tear apart her hypocritical mistress, brutally torture her scumbag fiancé, and easily swayed the power to rule the country. However, the regent who was poisoned by a strange poison transformed from "frenemy and friend" to a paranoid loyal dog, and finally became the regent princess who attracted the attention of the world.