Hanzou Gyoubushoujo Hattori

A Second Year Student. The student council vice president of the First High School.
He is part of Course 1 or better known as the "Blooms," he is characterized as an arrogant and a vain person who looks down on the Course 2 student with such disdain that he would call them names. He also has a high sense of pride that even though he was beaten by Tatsuya in an official duel he doesn't bother to acknowledge his victory.
Becomes the next Club Activities Group Leader after Juumonji.

(Source: Baka-Tsuki)