After a mishap during their concert , Miku voices her concerns over whether Riina would rather join Natsuki 's more rock - focused band .
Riina assures Miku that Asterisk is the unit Miku wants to be with .
After a mishap during their concert , Miku voices her concerns over whether Riina would rather join Natsuki 's more rock - focused band , but Riina assures her that Asterisk is the unit she wants to be with .