||Date of birth
At first, Youki played bass in LUV'ra-Doll. Later, he and LUV'ra's vocalist Takuma formed RusH, where Youki changed bass for guitar and stayed with it from there on. In 2003 RusH disolves and Youki forms BABYLON along with Takuma, Misa, Kazuki, and Haku.
Youki stayed for a year in BABYLON sharing the songwriting with Misa, but he decided to leave the band to do his own musical project, but as for now, no news from him.