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 don't think you're in a position to talk.
Das musst gerade du sagen.
No creo que puedas hablar de eso.
No creo que seas quién para hablar.
On parle d’une personne, là.
Olha só quem fala.