Yisa Yu or Yu Kewei is a Chinese singer. She started out singing in bars and participated in several singing competitions. Her career took off after she achieved fourth place nationally in the 2009 season of Hunan TV's Super Girl. Her fans are called Yu jin xiang (郁金香), which means "tulip". She debuted 6th on the show Sister Who Makes Waves and is now a member of X-SISTER. (Source: Wikipedia) Watch drama online for free.