Destiny Poison Doctor: the Evil King Chases His Wife in the Crematorium

A modern toxicologist travels back in time to become a good-for-nothing concubine. She counterattacks with her poisonous skills, slaps the scum in the face, and joins hands with the ruthless evil king to stir up troubles and rule the world together! Pure fictional reasoning! Any resemblance is purely coincidental! , No logic at all