Hikaru Utada (宇多田 ヒカル, Utada Hikaru?, born January 19, 1983), also known by her fans as Hikki (ヒッキー, Hikkī?), is a third culture singer-songwriter, arranger and record producer in Japan. She is well-known internationally for her two theme song contributions to Square Enix's Kingdom Hearts video game series:"Simple and Clean" and "Sanctuary",

Utada's debut album First Love became the Japan's biggest selling album of all time with over 7.65 million copies sold in Japan alone to date. The release of her later works only help her reign as one of Japan's top artist, with 3 of her Japanese studio albums being ranked in Top 10 best-selling albums ever in Japan (#1, #4, #8). She has had 12 #1 hits to date on the Oricon Singles chart, with two record for a female solo or group artist: 5 of them being million-sellers and 4 placing in the Top 100 All-Time Best-selling Singles. .

In addition, Utada has won the Nihon Golden Disk "Song of the Year" award for 1