is the eighteenth single by Japanese artist Masaharu Fukuyama. It was released on 27 August 2003. This single sold around 356,600 copies in its first week. It remained at the number 1 position on the Oricon chart for 5 consecutive weeks, breaking the artist record of four consecutive week from his 1994 single "It's Only Love". Niji was used as the theme song for Fuji Television drama Water Boys and Water Boys 2. "Himawari", written by himself, was originally released as a single sung by Kiyoshi Maekawa in 2002.
Track listing Niji Himawari Sore ga Subete sa Himawari: Fields of Toscana Niji: Synchronised Mix Niji (original karaoke) Himawari (original karaoke) Sore ga Subete sa (original karaoke)
Oricon sales chart (Japan) ReleaseChartPeak positionFirst week salesSales total27 August 2003Oricon Daily Singles Chart1Oricon Weekly Singles Chart1356,629893,000 Oricon Monthly Singles Chart1Oricon Yearly Singles Chart2
References