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.
What are you two doing?
Was macht ihr beiden da?
¿Qué están haciendo?
¡¿Qué estáis haciendo?!
Mais qu’est-ce que vous faites,
 tous les deux ?
O que vocês dois estão fazendo?