Hinako Konohana is a genuine heiress, her family's assets totaling 300 trillion yen. Attending a prestigious academy, she's the epitome of grace and intelligence—a far cry from the ordinary protagonist. However, he discovers her secret: Hinako is utterly incapable of daily life. He becomes her caretaker, and she becomes inexplicably fond of him. This leads to him living with the Konohana family and attending the same academy as her. His mission? To maintain her perfect image until graduation. This is a story of a commoner navigating the world of the wealthy elite.