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.
There was a rumor that Youko Touma had a kid 
she wasn't telling anybody about, right?
Es gab das Gerücht, dass Youko Touma ein Kind 
bekam, welches sie der Welt verheimlicht, stimmt's?
Hace tiempo se rumoreaba que Youko Touma
Hace tiempo que se 
rumoreaba que Touma Youko
une rumeur a couru sur un enfant caché 
qu’aurait eu Yôko Tôma.
Houve boatos de que a 
Youko Touma engravidou