高嶺と花 [Takane to Hana] Series by Yuki Shiwasu, 師走ゆき

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 what happens when Hana meets Takane is an unexpected pairing of utter opposites!The meeting between Takane and Hana ends in an explosive manner, and Hana is convinced that she'll never have to see that awful Takane again... moreAfter 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 what happens when Hana meets Takane is an unexpected pairing of utter opposites!The meeting between Takane and Hana ends in an explosive manner, and Hana is convinced that she'll never have to see that awful Takane again. But Takane actually seems interested in Hana! Exasperated by Takane's immature attitude, yet amused and intrigued despite herself, Hana wonders if her hilarious rivalry with Takane just might lead to love! less