Empress Of Another World

Read manhwa Empress of Another World / 이세계의 황비 / Emperatriz de otro mundo / L’IMPÉRATRICE D’UN AUTRE MONDE / 异世界皇妃 / 異世界の皇妃 / 異世界皇妃
Crossing over into another world and time after a freak accident, Korean highschool girl Sabina is taken in by a duke of the Crentia kingdom— only to soon be offered up to the ugly old emperor as a concubine. When the king is killed by a mysterious assassin, Sabina must face the poisonous circle of other candidates in a battle for the royal seat. Can she attract the loyalty and affection of the men and women she needs on her side to survive?