A strong-willed high school girl and a hot young scion of a business empire can't help trying to outwit each other every chance they get... But could these opposites be conning themselves out of the perfect match?! 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! Hana's father makes the deal of a lifetime and moves the Nonomura family into a huge mansion... But what the Nonomuras didn't plan on was Takane moving in with them! Just how are Takane and Hana going to adjust to living together?