Kim Heejin, whose the beloved younger sister BTS' RM, was only 9 when BTS has debuted. Heejin was 11 when she entered the competition show SIXTEEN that made TWICE back in 2015. It was a year and 10 months since BTS had debuted when she entered SIXTEEN. Before she entered SIXTEEN, Heejin became a trainee under JYP Entertainment. She didn't make it in SIXTEEN as she was young at the time but She trained alongside Stray Kids and ITZY. As ITZY had debuted, netizens loved them. During their promotions of Itz Icy, JYP was looking through the trainee's files and came across Heejin's. Then, JYP had announced that there will be a 6th member that will join ITZY. Heejin did train along side ITZY during their trainee days. Would the netizens accept Heejin? How would the members of ITZY would react to having a new member joining them? Will the ITZY members and Heejin get along? [Slow Updates]