The "elite student in music room 2" turns out to be Haruki's delinquent classmate, Kazusa Touma.  With his characteristic pushiness, he tries to get her to join the light music club.  But his pushiness backfires, and only makes her more annoyed.  Setsuna gets irritated... no, involved, and approaches Kazusa secretly.
Kazusa Touma, Class 3-E.
Kazusa Touma, Klasse 3-E.
Kazusa Touma, de la clase 3-E.
Touma Kazusa, de la clase 3-E.
Kazusa Tôma 
de la terminale E…
Kazusa Touma, Turma 3E.