I have seen some comments wondering how Somi is able to do her XOXO challenge with so many idols from different agencies (ironically, she hasn't done any with TBL/YG artists, including for Dumb Dumb).
Simple. It's because she is friends or has connections with all of them.
XOXO challenge idols, so far:
LEEJUNG - Somi's main choreographer and dance teacher
BAMBAM - was in JYP together, Somi appeared in Got7 MV, and interviewed them before (a JYP trainee said that Somi was friendly with everyone)
JO KWON - JYP (a JYP trainee said that Somi was friendly with everyone)
CHAEYOUNG - close friends from JYP, Sixteen
CHUNGHA - In a group together (IOI), Produce 101
GISELLE - became close friends a couple of months ago after Giselle said she liked Dumb Dumb and Somi flirted with her
WENDY - Somi flirted with her and got her number on Wendy's radio show during Dumb Dumb promotions, also performed together as Red Velvet and IOI
DAEHWI X WOOJIN - Somi is friends with Daehwi since training at JYP
RAVI - co-hosted a show together (Don’t Be Jealous)
VIVIZ - Somi is friends with Umji, performed together as Gfriend and IOI
YEONJUNG X EXY - Yeonjung is from IOI, Produce 101. Exy in WJSN with Yeonjung
DOYEON - IOI, Produce 101
YENA X JOOE - close friends with JooE. Became friends with Yena after appearing on MMTG together
SEULGI - Were in Idol Drama Operation Team together (and the temporary group Girls Next Door), performed together as Red Velvet and IOI
YOOJUNG - IOI, Produce 101
NAYEON - friends from JYP, Sixteen
* I only mentioned friendships that I am sure about
