A heart-pounding dating simulation?

Born into a wealthy family, the fourth child of mediocre talent, she's the only one of five siblings who doesn't stand out. Despite her impressive looks, she keeps them to herself, making it hard to attract attention. Why is she living so easily, even though she's only on her second try? But she has a secret she doesn't know...? The fourth child plays a game called "Princess of a Strange School" and becomes possessed by the game's characters. And what begins a heart-pounding romance? Note: Oth