This is a Fan fiction so these bands both actually exist
BTS means Bangtan Sonyeondan which is a K-pop boy band it has 7 members their stage names are V, Suga, Jin, Rap Monster, J-Hope, Jimin and Jungkook. Their Real names are Kim Teahyung (V), Min Yoongi (Suga), Kim Seokjin (Jin), Kim Namjoon (Rap Monster), Jung Hoseok (J-Hope), Park Ji-Min (Jimin) and Jeon Jungkook (Jungkook). Koreans put their last name first so their first names are last.
XO-IQ means hearts and minds their a TV show pop group it has 4 members their names and roles are Sun Hi the lead singer, Jodi the designer and choreographer, Corki the brains and Caleb the DJ.