Karasuyama, Chitose

She is in the same year level as Kenji who is a member of the Game Creation Club, she loves building sand castles and considers herself an "Earth type." She is also the student council president who has a terrible reputation not only for her roughness with the boys but also being a hustler. She is frequently at odds with her Vice President, Ataru, whom she looks down at.

(Source: Wikipedia, Anilinkz)