Ikuo (born on September 24th) is a japanese bassist who is currently in the band BULL ZEICHEN 88 and is the support bassist for Abingdon Boys School. 1996, had his major debut in the band Ex-iT. 1998, Ex-iT dispanded, Lapis Lazuli formed with Ikuo as bass. 2003, debuted as Ikuo doing LONG WAY, the 4th Intro Theme for the anime Prince of Tennis . 2004, Lapis Lazuli hiatus. In January the band had their last one-man live at Roppongi Y2K.