I Became Emperor After Killing the Tyrant

After transmigrating to the Great Xia dynasty, Mo Xiaoxi discovers that she is in the imperial harem, and that the emperor is a legendary tyrant. But this tyrant has a beloved whom he cherishes above all else, afraid to let her melt in his mouth or drop from his hands. Unfortunately, that beloved isn't her. With the threat of being killed by the tyrant hanging over her at any moment, Mo Xiaoxi has no choice but to come up with a plan to kill him first. Theme: Kill the tyrant