Boogie Train '03 (ブギートレイン’03) is Fujimoto Miki's fifth single. It was released on February 5, 2003. The first press of the single came in a limited edition tin packaging. It peaked at number eight on the Oricon charts, and sold 50,737 copies overall. The Single V peaked at #1 on the Oricon weekly charts and sold 18,757 copies. This was Fujimoto's last single before joining as a 6th generation member of Morning Musume.