The album was initially scheduled for release on March 2, 2005 but was eventually postponed. The original plans to include a bonus DVD and 20-page booklet were also scrapped. Two remixes found on the early track listing, "Pureness (Next Evidence Mix)" and "Namida wo Fuite (Steph Pockets Mix)" also went unreleased.
Uetoayamix peaked at #30 on the Oricon Daily Albums Chart and debuted at #47 on the Weekly Albums Chart with 5,980 copies sold. The album charted for a total of two weeks and sold over 7,000 copies.