So..
I don't know if you are confused about some characters.
For those who don't read the other companion books of the sort-off-series here is some info!
If the second name is bolded, it means that their bolded name is their Stage Name, but the unbolded is their preferred name. Ones with only one name means their preferred name is the same as their stage name.
Justine or G.ha = VIXX's 7th Member
Instagram: @/s.jh_vixx
Contact Name: ballet bois ✨
Birth Year: 1997
Sani = Red Velvet's 6th Member
Instagram: @/redvelvet.smtown
Contact Name: yeri's mom🤗
Birth Year: 1993
Serenity = STRAY KIDS 10th Member
Instagram: @/serenity_zu
Contact Name: artsy boi🖍
Birth Year: 1998
Sunghi or Sunmi = EXO's 10th Member
Instagram: @/miyayeah
Contact Name: 🌼Sunbabeuwu🌼
Birth Year: 1992
Jeni = GOT7's 8th Member
Instagram: @/jeni_gt7
Contact Name: 🥀JenJenJenJen🥀
Birth Year: 1997
Haji or H:A = BLACKPINK's 5th Member
Instagram: @/haji_kim
Contact Name: Sunflower Baby 💛
Birth Year: 2001
Yuhi = Day6's 6th member
Instagram: yuyu_d6
Contact Name: Xylophone😈
Birth Year: 1992
Midnight = SEVENTEEN's 14th Member
Instagram: xxx_midnight_svt
Contact Name: Rocker Bro🌚
Birth Year: 1999