K (케이; also known as K Lu and Ke Ran) is a Chinese singer and rapper under TOV Entertainment. She is the leader of the girl group Fanxy Red.
In 2020, she participated in the reality survival show Idol Producer 2 along with fellow member Marco. She finished in 9th place, thus becoming a member of the project Chinese girl group THE9.

On 5 November 2022, officially announced Lu Ke Ran signed with Sony Music.

On 18 February 2022, released her 1st Single Album —— “21G” consisting of 2 songs; 《Waiting for U》and《Ride》.