NewJeans‘ Hyein is known for her incredibly close relationship to her brother. He previously appeared on her parent-run Instagram account a few times. He even guest-starred in one of her pre-debut YouTube programs. #Hyein and his brother acting pic.twitter.com/LDDgiePG9C — saint ꢂ (@haeyobbi) September 9, 2022 He was always her supportive and caring older brother! […]