Baekhyun
Vocal teacher
You'd probably rarely see him, he always works or makes survival shows
Xiumin
Vocal Teacher
He'll rarely be available. He's also one of the famous mentors for survival shows.
D.O
He's a vocal teacher but won't be active in the company often because of his solo career.
Krystal
Vocal teacher but she's known to always appear in survival shows as a mentor.
Victoria
She might help you with anything but she's very busy, owning her own subsidiary to produce survival shows with Luna and Baekhyun.
Luna
Vocal&Dance teacher
She'll help you but she's also busy with her solo career and helping Victoria with her subsidiary.