In 2004, he participated in the tribute album for Yutaka Ozaki (尾崎豊) under his full name Shunsuke Kiyokiba as a solo artist.
After four-and-a-half years with Exile, in March 2006, Kiyokiba announced his withdrawal from the group to focus on his solo career as a rock artist.
In July 2011, he recorded the duet "I Believe" with South Korean singer Shin Hye-sung of Shinhwa.
In February 2007, the website UTAIYA.COM was launched, which stated: UTAIYA is the persons who sing a song with all our heart and soul.
[4] It is a website which promotes the new artists, Raine Kawane (川根来音) and Shouta Nishihiro (西広しょうた).