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.
She didn't fit in with her class, 
and caused all sorts of problems.
Sie hat nicht in ihre Klasse gepasst 
und zu viele Probleme verursacht.
No encajaba en la clase y 
causó muchos problemas.
No encajaría en la clase y eso 
sería un fastidio para el instituto.
Mais elle n’a pas réussi à s’intégrer 
et a causé quelques problèmes.
Ela não se enquadrou na sala
e causou vários problemas.