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.
It's hard to believe the mysterious 
pianist in Music Room 2
Schwer zu glauben, dass der mysteriöse 
Klavierspieler aus Musikraum 2 ...
Es difícil de creer que la pianista 
misteriosa del Salón de Música 2
Es difícil de creer que el misterioso 
pianista de la segunda sala de música
Dire que le mystérieux pianiste 
de la salle de musique nº 2
É difícil de acreditar que a misteriosa
pianista da Sala de Música 2