Anyway, it's a fun concept. Can't really talk about them without spoiling things. Still trying to build the setting and character and plot more, but I know it'll be an extension of my love toward urban legends and occult-y stuff.
Basically the teens are part of S-class students and the headmaster (being a lazy one) usually send them out to fetch some haunted art pieces or something.
3 of the four students don't even have an ounce of artistic soul. One of them is a multitalented picasso. Guess which one.
This two behind Reimu is Satono Nishida and Teireida Mai. They're Okina's servants and they secretly dance behind someone to boost one's life and mental force.
They pop in without you knowing from the door behind your back. So yeah, better not look back probably.