Liu Yilun, a male singer from China, won the championship of Happy Boys' Network Division on 20 17, and his masterpiece If One Day, etc. Liu Yilun graduated from Hainan University with a bachelor's degree. Liu Yilun's original name, nationality: China, birthplace: Ledong, Hainan, nationality: Li, brief introduction: Liu Yilun, a mainland actor and singer, is his masterpiece Rainbow.