The Widowed Consort's Survival

Serena Lane, a concubine-born daughter. Her elder sister calls off wedding, massacre by Slaughter God Jasper Kane. Serena takes sister's place for wedding with Prince Cedric Kane. To avoid burial, Serena lies she's pregnant, outwitting Jasper Kane, her brother-in-law. Unbeknownst, she's the savior Jasper sought. Jasper protects her. They crush Princess Dowager Helena's coup, uncover Jasper's true imperial prince identity. Though world condemns their in-law relationship, Jasper dotes on her.