After her older sister refuses to go to an arranged marriage meeting with Takane Saibara, the heir to a vast business fortune, high schooler Hana Nonomura agrees to be her stand-in to save face for the family. But when these two utter opposites pair up, get ready for some sparks to fly! Takane is suddenly confronted with a major crisis when his grandfather, the chairman of the Takaba Group, strips him of his wealth! When Takane instantly goes from being super rich to penniless, how will Hana deal with a dejected Takane who has lost everything?