Kiriya Erika

Erika is a second year student from class 2-C, Leo's classmate and the student council president who is sociable, an excellent scholar and athlete. She is nicknamed Hime, meaning Princess, by peers with both respect and irony because of perfectness and haughtiness. Yoshimi Satou is her true close friend whom she can alone trust. Her family runs the large Kiriya Corporation. Her ambition is to rise on the top of the company, and control the global market.

Edited from Wikipedia