The protagonist travels into the otome game world, but knows the plot of the original game very well, and tries to use his prophetic advantage to cling to the thigh of the strongest villain in order to protect himself. However, her "strategic" behavior caused a huge deviation in this world that was supposed to follow the rules of the game, causing the originally ruthless villain to develop an inexplicable obsession and possessiveness towards her, and the plot completely got out of control.