Haruki is entranced by Setsuna's singing on the rooftop, and plots to get her to join the Light Music Club no matter what.  But she hates standing out, so convincing her is incredibly difficult.  Meanwhile, the club has an even bigger problem.  The elite student from Music Room 2 he was trying to persuade to join his club as the keyboard player isn't a member of the Music Class, it's a mysterious person whose class and identity are a total unknown.
Really. Anytime something like this 
happens, he's there in a heartbeat.
Also wirklich, bei so was
ist er immer in Windeseile zur Stelle.
Es cierto. Siempre apareces 
cuando pasa algo como esto.
Pues sí. Siempre apareces 
cuando pasan estas cosas.
C’est vrai, ça !
Realmente, ele sempre aparece
quando acontecem coisas assim.