Read Give the Harem to the Villainess Manhwa
Summary: 后宫就交给反派女配 / Give the Harem to the Villainess
Lin Ci transmigrated into the otome mobile game she created and became the villainess. The only way she can go back to the real world is avoiding the harem ending and letting the heroine, Rutas, end up with one love interest. Otherwise, Lin Ci would be killed according to the plot. To survive, Lin Ci must win over the men from the heroine one by one!