A Cruel Start: the Daughter-In-Law Turns the World Upside Down

After her family died tragically, she realized that the person she loved with all her heart and soul could be so cruel. In her previous life, Kang Yanning died at the hands of the man to whom she gave everything, but God gave her a chance to start over again. With hatred in her heart, she was reborn. In this life, Kang Yanning has a clear goal: to protect her family and kill the scumbag. The waters in Kyoto will be muddied even more with her! Saving the prince, fighting against her cousins, and setting up a girls' school, she is getting further and further away from her former death. Who would have thought that after clearing the fog, she would find that the person who caused the death of her family was actually the person she thought was her best friend...