After Substituting the Bride, She Rules with Medical Power

Top surgeon Su Yue transmigrates into a fake heiress and is forced to marry Qin Lie, a pig butcher. She establishes herself in the streets using her medical skills, personally removing her son's birthmark and curing his limp. However, she discovers that her husband, who appears strong and silent, reveals mysterious tattoos on his shoulders when aroused. Su Yue realizes her gentle husband is deeply connected to the legendary bloodthirsty demon god.