Chuei Liyu

Biography

Chuei Liyu (Chinese: 崔立于; Korean: 최립우; born January 2, 2004), is a Taiwanese singer based in South Korea. He rose to prominence as a contestant on Mnet's reality competition show Boys II Planet. He made his debut as a solo artist on December 3, 2025, with the single album Sweet Dream. He is currently active as the leader of the K-pop duo Flare U, after they debuted on May 13, 2026.

2025–present: Boys II Planet, solo debut and Flare U

On June 7, 2025, Chuei was unveiled as a contestant on Mnet's reality competition show Boys II Planet, representing his agency FNC Entertainment. The show aired from July 17 to September 25, 2025. He was eliminated on the final episode of the show, finishing in tenth place. In late October, several media outlets reported that Chuei would make his solo debut in December of the same year. On November 17, FNC Entertainment announced that he would hold his first solo fan meeting, titled Drawing Yu, on December 20 at Sejong University. On November 18, the first teaser image for his debut single album was released. The following day, the official concept photos for the album Sweet Dreams were unveiled, confirming his solo debut on December 3. On November 24, it was announced that an additional Drawing Yu fan meeting would be held in Taipei on January 3, 2026, after tickets for the Seoul event sold out. His debut single album Sweet Dream was officially released on December 3. On December 23, it was announced that Chuei would hold his first exhibition, "fredr1ck._choi Archive", from December 25 to December 31.
On January 26, 2026, it was officially announced that Chuei along with former Boys II Planet contestants Jang Han-eum and Kang Woo-jin would debut in a spin-off group of Boys II Planet. The group was produced by CJ ENM and managed by FNC Entertainment. It was later announced that Kang Woo-jin and Chuei would debut as a duo called Flare U under FNC Entertainment, with their first appearance at KCON Japan 2026.

Fashion

In 2025, Chuei appeared in several fashion magazine pictorials ahead of his solo debut. In November, he was featured in a digital pictorial for Marie Claire Korea and later, he participated in a Cosmopolitan Korea photoshoot. In December, he was featured in W Korea (Vol. 13) and appeared in a pictorial for Kitto, a global social media magazine.