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.
I told you, I'm worried about you...
Ich sagte doch, 
dass ich mir Sorgen um dich mache.
Te dije que me preocupa tu—
Te he dicho que me preocupa que...
C’est que je m’inquiète 
pour toi, c’est tout !
Já disse que estou preocupado...