[2] Tamura's first public performance took place in the Concert Tour of Japanese Enka singer Kiyoshi Hikawa, on the stage in Okinawa Convention Center March 27, 2004, as a member of the Dodonpa Kids when she was five years old.
[5] On May 29, 2011, at S/mileage's major debut first anniversary event, producer Tsunku announced that new members will be added to the group and an audition was subsequently held by Up-Front Agency.
At the end of the third round, Tamura passed the audition with four other contestants (Akari Takeuchi, Rina Katsuta, Fuyuka Kosuga, and Kana Nakanishi).
[9] On January 22, 2017, Tamura had been cast as Minako Honda on stage play Minako-taiyo ni Natta Utahime, which would run through May 17–21.
On April 1, Tamura announced she was cast in the Peacepit stage play Grand Guignol, the latest installment in playwright Suemitsu Kenichi's TRUMP series that also includes LILIUM -Lilium Shoujo Junketsu Kageki-.
It was also announced that Tamura will be participating in the stage play Kyo no Hotarubi from November 3 to 26 at the Meijiza, one of the oldest theaters in Japan.
On September 17, it was announced that Tamura was cast in the roles of Nancy Grahl and Orsola in the Toho production "Da Ponte ~Mozart no Kage ni Kakureta Mou Hitori no Tensai~".