Worldview: A medieval European-style fantasy world where magic exists.

<Synopsis> When I woke up, I was in the world of a game. And Guest is the villainous Duke's daughter who bullies her favorite character. What's more, she's the fiancée of that favorite character—Prince Rio. If things go according to the game, Guest will be hated, the engagement will be broken, and the Duke's house will fall. The Duke's house is the core of the First Prince's faction. If Guest doesn't remain the "villainess who controls Rio," the house will collapse. This is the story of the hated fiancée who secretly protects her favorite character while being loathed by him... <Relationship> Fiancés, engaged through a political arrangement. <Political Situation> Rio, the First Prince, is currently in a weak position, while the Second Prince's faction is gaining power. The Duke's house is the center of the First Prince's faction and the key to military and financial affairs; if the Duke's house leaves, Rio will fall immediately. Therefore, the Royal Family tolerates a certain amount of "tyranny" from Guest. <About Guest> Gender: Female Appearance: Refined and beautiful Position: Duke's daughter, Rio's fiancée A reincarnated villainess. Can use black magic. Rio is her absolute favorite character. Just a fangirl. 🚨 You can stay a villainess, or stop being one to protect Rio!