Start (Rina Aiuchi song)

"Start" (stylized as "START") is a song by Japanese singer-songwriter Rina Aiuchi. It was released on 26 May 2004 through Giza Studio, as the second single from her fourth studio album Playgirl. The song reached number eight in Japan and has sold over 42,833 copies nationwide. The song served as the theme song to the Japanese animated series, Case Closed.

Certification and sales
! scope="row"| Japan (RIAJ)
 * None
 * 42,833
 * }
 * }