In 2006 Li Chun participated in the contest .
On March 15, 2007, Li Chun was officially announced to be joining the eighth generation of all girl J-pop group Morning Musume as a "foreign student". Tsunku believes that she and Qian Lin will be key for Morning Musume's planned expansion into Asia in 2007.
Three days later, on March 18, she made her Japanese television debut on Hello! Morning. Within the same week, she moved to Tokyo, Japan.
Her first stage appearance took place during Morning Musume leader Hitomi Yoshizawa's graduation concert on May 6, 2007 at Saitama Super Arena.