In 2008, Shida won the 16th Pichimo Audition Grand Prize. In 2008, she debuted in the television drama, Triangle. In June 2012, Shida became a member of the idol group Yumemiru Adolescence. In April 2013, she graduated from Pichi Lemon. On May 1, 2013, Shida became an exclusive model in the June issue of Popteen. On September 22, 2014, her first solo photo book, Yuumi was released. On April 22, 2015, Shida (as Mai Takatsukasa) sang in her first solo single "Lights of My Wish".
