The Ghost King's Secret Agent Crazy Concubine

She was the eldest daughter of the prime minister's family, but she was a mistress who neither her father nor her mother loved. She was forced to marry for her younger sister. On their wedding night, a monster strangled her neck. A certain man smiled playfully and said, "How do you want to die?" When she heard this, she also strangled the man's neck with her bare hands and said, "I will die with you."