Lucia, the first princess of the Kingdom of Faticia, meets Alicia, the daughter of a marquess, who laments that she never wants to be a villain's daughter. Lucia takes pity on Alicia for her future engagement to Lyle, Lucia's half-brother, leading Alicia to confide in Lucia that her engagement will be broken off and lead to her execution. To prevent the death of her father, the king, and an epidemic her brother starts, Lucia shift into action! A ten-year struggle that shapes the future of an NPC princess and a villainous daughter in a sim dating game begins! (Source: Manga Plaza)

"Let's work together to prevent the future you fear, shall we?" Eight-year-old "Mob Princess" Lutia made friends with "The Villainess" Alicia, who is scared of her fate, which she foresaw will end with her execution after her engagement is annulled. Lutia rescued the king, who was fated to die, with slime magic, in order to prevent future disasters. She also began mass cultivation of medicinal herbs to combat the coming plague, and the whole operation is going well, but then... an arson fire, which was not part of the original plot! It seems that his brother, the clumsy crown prince and the "seduction target", is involved behind the scenes....... "Don't worry," Lugia said, "I won't let you become the 'villainess'! I'll protect my friend, my family, and my country from the bad-end! A little princess will fight fate to change the story's plot with the power of friendship and her own wits in this domestic politics fantasy! (Source: TO Books, translated)