Hikaru Utada is a renowned Japanese singer-songwriter known for her unique blend of pop and R&B music. She gained immense popularity in the late 1990s and early 2000s with her debut album, First Love, which remains one of the best-selling albums in Japan's history. Her music often features introspective lyrics and innovative production, making her a significant figure in the J-Pop genre. Utada has also contributed to various soundtracks, including the iconic Kingdom Hearts series, further solidifying her influence in both music and gaming culture.