All time favorite J-rock is 9mm parabellum bullet. One of my japanese friends showed me them and i cant stop listening to them.
psychopolis -
YouTube - 9mm Parabellum Bullet - Psychopolis
Talking machines-
YouTube - 9mm Parabellum Bullet - TalkingMachine (Live)
also:
Rintoshite Shigure- only been able to youtube them-telecastic fakeshow-
YouTube - 凛として時雨 Telecastic fake show
Ogre you asshole-
YouTube - OGRE YOU ASSHOLE / advantage