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BOYNEXTDOOR is composed of 6 South Korean boys. hype boy new jeans lyrics easy Their ages ranged from 16 to 19 years old at the time of the group's debut in 2023 The oldest member is Sungho (born Sep 4, 2003) He was 19 The youngest member is Woonhak (born Nov 29, 2006) He was 16 years old when the group made its debut There are 3 members born in 2003, 2 members born in