"YO, who's the 4th gen it boy?"
"The 4th gen it boy is Yeonjun from tomorrow X together"
He is the '4th Gen It Boy'
TomorrowXTogethers Choi Yeonjun is the 4th Gen It Boy
A very cutie guy that likes to best up the other members r.i.p soobin, beomgyu, teahyun and kai..
Yeonjun.
My boyfriend, my fiancé, my husband and my everything
Someone:u have a boyfriend??
Me:yea, his name's Yeonjun.
Choi Yeonjun is a South Korean singer from the group Tomorrow X Together and is the eldest of the group
Person 1: do you know who Choi Yeonjun is?
Person 2: oh yeah he's from Tomorrow X Together right?
the ONLY 4th generation IT boy.
Oh! It's THE Choi Yeonjun, the ONLY 4th generation it boy! No questions asked.