"Omajinai★Perori" (OMAJINAI★ペロリ?) is the debut single of Perfume. This single was sold exclusively in the hometown of the group, Hiroshima by Momiji Label. The single was produced and arranged by Bakufuu Slump’s Pappala Kawai Pappara Kawai. Considered a rare collector's item, this single was originally ¥500, but now is generally traded for upwards of ¥40,000.