On August 14, Tamura Meimi was announced as a Second-Generation, S/mileage sub-member at the Hello! Project 2011 SUMMER ~Nippon no Mirai wa WOW WOW Live~ Concert
On September 15th, 2011, Tamura posted her first blog post on the S/mileage Sub-Member's official blog, and called it "Heart Pounding"
On October 16th, Tamura, along with the other 3 S/mileage sub-members, were announced as offical members.
An event for the 9th and 10th generation members of Morning Musume as well as S/mileage’s 2nd generation members, titled Mosuma FC Event ~Gachi☆Kira~, is set to take place on June 15th, 18th, and 20th at Yokohama Blitz.