Chuei Li Yu (Hangul: 최립우; Traditional Chinese: 崔立于; born January 2, 2004) is a Taiwanese solo artist under FNC Entertainment, best known for his participation in Mnet's survival show BOYS II PLANET. He officially debuted as a soloist on December 3, 2025, with the single album "Sweet Dream". On May 13, 2026, he debuted with Kang Woojin in FLARE U. They released a debut extended play "YOUTH ERROR" with "WAY 2 U" as the title track. Read more on Last.fm