Yu Yan is a Chinese idol under Joinhall Media. She debuted as a solo artist in 2014 with an EP titled "Bad Girl". In 2016, she participated in the survival show "Girls Fighting", winning the show and debuting as "Diamond Girls", however, the group did not get much recognition. Later, Yu Yan joined the idol survival show "Youth with You 2" and finished in 4th place, debuting with THE9" on May 30, 2020. Watch drama online for free.