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.
#3 The Light Music Club, 
Together Again
#3 Der Klub für Unterhaltungsmusik, 
wieder komplett
Episodio 3: 
El Club de Música Pop se reúne
#3 El club de música pop se reúne
[Le club de musique pop se reforme]
#3 O Clube de Música
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