Hightlight Lee Kikwang and Yang Yoseob who were already close during high school and of course are still close now
Mamamoo Wheein and Hwasan went to the same middle school and both dreamed to become singers. They became even closer when they started training together!
iKON Jung Chanwoo, GFriend SinB and ASTRO Moonbin, they were already in the entertainment industry when they were still in elementary school. They know each other well and are all same age friends.
Block B Zico and Park Kyung were friends ever since elementary school!! They fought between each other because of girls when they were youngㅋㅋㅋㅋㅋㅋ
The two below are just impressive...
When they were in elementary school, they used to be part of the same dance team. They haven't seen each other until later when they became trainees
NCT Jisung and Chenle were filming a Chinese program together when they were young and met again when they started to train in Korea together
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