When you think about "Old school Jrock, or classic , or basically one of the first mainstream life changing bands... it's got to be Kuroyume (黒夢) was a Japanese rock group that formed in Nagoya during May 1991 and lasted until 1998, initially consisting of lead singer and founding member Kiyoharu, guitarist Shin and bassist Hitoki. They began as a visual kei group, and carried these roots throughout their career with continued emphasis on appearance and packaging. The band had an extensive influence on the visual kei scene, being credited as inspirations by many of the bands of the late '90's visual kei boom.

Following the band's departure from existence, Kiyoharu formed SADS in 1999 and had gone solo by 2003.

http://en.wikipedia.org/wiki/Kuroyume
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SADS
Sads was a Japanese post-punk band formed in 1999. The band made its debut with the single "Tokyo". The band released eleven singles and seven albums before its disbandment in 2003.

Sads was formed by Kiyoharu, vocalist of the disbanded Kuroyume, in May 1999 and at the same time formed his own record label "Full Face". Their first live tour was held in the United Kingdom as opposed to Japan. Kiyoharu has said that the decision to tour internationally from the very beginning was to test Sads' ability to "compete worldwide".

Their official fanclub is called "Rubbersole".
http://en.wikipedia.org/wiki/Sads_(band)
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Kiyoharu (清春) is the former vocalist of Kuroyume and SADS. In 2003 he started his solo career.


link to more info :3

http://en.wikipedia.org/wiki/Kiyoharu