I'm Enterprise
On January 1, 2007, Tamura's talent management agency changed from Arts Vision to I'm Enterprise, a subsidiary of Arts Vision and on April 1, 2007, Tamura's record company officially changed from Konami to King Records, however, there was no material effect to Tamura because the actual record production of Konami is carried out by King Records. She has also featured as a narrator of Japanese anime satellite television network Animax.