"Linear Motor Girl" is the first major label single (sixth overall) of Japaneseelectropopgirl groupPerfume. It was released on September 21, 2005 in Japan, and was the group's first release under Tokuma. The single is recognized and considered the group's debut single by Japanese media.
"Linear Motor Girl" is the 6th single released by Perfume. The single sold for four weeks in the charts and sold 2,600 copies. After that, their releases started to move up on the charts.