"Kamen" is the 10th single of Kumi Koda's 12 single release. It is limited to 50,000 copies. The song features the Japanese band Kome Kome Club's frontman . As with the other 11 singles in this collection, the cover of the single represents a stylized version of a traditional dress from a culture; this time it draws its inspiration from Hawaii and the costumes of hula dancers. The song debuted at #3 in the Oricon Daily Singles 50 chart on 8 February, 2006.