ˌɔn ˈɔːɡəst twˈɛnti θɹˈiː, tˈuː θˈaʊzənd sˈɪks, kˈɛn ɹᵻlˈiːst ɐ sˈoʊloʊ sˈɪŋɡəl tˈaɪɾəld "spˈiːd", ænd hɐz tˈeɪkən ɐ nˈuː "klˈiːn" ɐpˈɪɹəns sˈɪmɪlɚ tə hɪz ˈɜːli dˈeɪz wɪð ˈɛlˈɑːɹkˈɛnsˈiːl.
On August 23, 2006, Ken released a solo single titled "Speed", and has taken a new "clean" appearance similar to his early days with L'Arc-en-Ciel.