@etherealiyu: this concept is so beautiful ꒰ #flareu #chueiliyu #kangwoojin #플레어유 #kpop ꒱ FLARE U (플레어유) is a global boy duo under FNC Entertainment. The members are Chuei Li Yu and Kang Woojin. They debuted on May 13, 2026, with their first mini album, YOUTH ERROR. They made their Japanese debut on September 9, 2026, with their first mini album, YOUTH ERROR (Japan Edition).