A Witch's Tears Are Poisonous

A noblewoman gifted with spiritual sight uncovers a deadly secret a famed fortune-teller’s accurate predictions come from poisoning her victims. When she learns her own husband plans to use that same poison to kill her and her father, she must outwit the conspirators, destroy the witch’s toxin, and claim her long-awaited revenge

Original Webtoon:
Naver Webtoon, Naver Series
Official Translation:
Thai