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.
You really don't want to play in 
the concert at the school fair?
Du willst wirklich nicht auf dem Konzert
 beim Schulfest spielen?
¿De verdad no quieres tocar 
en el concierto del festival?
¿De verdad que no quieres tocar 
en el concierto del festival?
Ça ne te dit vraiment pas 
de participer au concert du festival ?
Você não quer mesmo 
tocar no palco no festival?