Character Profiles

This is a story type thing about a newly debut group made up of 2 sub-unites.
Sweet Melody- has 8 female members (you being one of them)
Beat Melody- has 8 male members (your older brother being one of them)
Put them together they are called Perfect Melody, what will happen in there travels?
This has 4Minuet, Trouble Maker, BTOB, BEAST and more in it.
Please read!!!