He played the keyboard and organ for 2005's Romancing SaGa: Minstrel Song, the first game he worked on for which he neither composed nor arranged the music.
[4] In 2000, Fukui and Tsuyoshi Sekito formed an experimental partnership to compose music for the video game All Star Pro-Wrestling in a rock style.
In 2002, Fukui and Sekito decided to arrange some of the compositions of Nobuo Uematsu, the primary composer for the music of the Final Fantasy series.
Declining at first due to feeling too busy with his composing duties and attempts to become a music producer with his Smile Please label, Uematsu agreed to join them in a single live performance as a keyboardist, and afterwards decided to join the two in making The Black Mages; Fukui and Sekito had refused to start one if Uematsu was not involved as one of the musicians.
[5][6] In 2007, Fukui was appointed at the HAL College of Tokyo (which opened in spring 2009), to teach classes relating to music composition and performance.