I see why this thread is kinda low but, since I often happen to be more into j-rock bands for their looks than their music I guess I fit right in.
In my opinion the prettiest j-rock guy is Sakito from Due le Quartz, although I hardly like any of their music.
He's got this unique look somehow, and he looks hot even without all the make-up. Plus the Stuck-up expression just suits him, hehe.