Kumiko wishes to avoid unpleasantness in the past when auditions were thrown so certain people were in and out.
Azusa agrees that Reina is an ultra-rare character for mapping out her future so precisely.
In this way, Azusa gives Kumiko some comfort from her future blues.
When Mayu goes in before her and starts to play, its obvious Mayu isnt throwing her audition.
Kumiko is not only relieved, but also motivated to give it her all.
Mirei does not resort to histrionics or excessive drama, but is firm and respectful.
No doubt Reinas adorable exuberance reminds Kumiko why she does all this and why its worth it.
