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.
but is the vocalist position still open?
aber ist die Position des Sängers noch frei?
¿pero aún necesitas una vocalista?
pero ¿todavía necesitas una cantante?
Est-ce que tu cherches 
toujours une chanteuse ?
mas você ainda tem vaga para vocalista?