"I Have Never Seen" is Namie Amuro's 11th single on the Avex Trax label. Released after a year hiatus, it serves their lead single for her fourth studio album Genius 2000, it debuted at #1 on January 11, 1999. It is her ninth number one single, and was her last until 2008's 60s 70s 80s. The single was certified double platinum by the RIAJ for 800,000 copies shipped to stores.