Chaos†System (カオスシステム) is formed by vocalist kyoka.
Vo: Kyouka, Vo: BEN, Gt: Taisuke, Ba: Takumi
Drummer KAZUKI joins.
Vo: Kyouka, Vo: BEN, Gt: Taisuke, Ba: Takumi, Dr: KAZUKI
Taisuke and Takumi secede.
Vo: Kyouka, Vo: BEN, Dr: KAZUKI
Vo: Kyouka, Vo: BEN, Gt: Yuki, Ba: Yuu, Dr: KAZUKI
Peformed at Jrock Connection 2005 in Santa Clara, California
BEN, Yuki and KAZUKI secede at some point. The band pauses activities until the middle of the following year, barring one show performed in December.
Vo: Kyouka, Ba: Yuu
Chaos System pauses activities
The band restarts activities.
Vo: Kyouka, Gt: Makoto, Ba: Yuu, Dr: K
The band pauses activities again for nearly 2 years.
One day revival show is held.
New members join the band at some point at the end of 2009, although the band has still paused activities. Organization and management is moved to THIRTEEN MUSIC, ran by guitarist TOMO.
Vo: Kyouka Gt: TOMO, Dr: TOMOKAZU
Bassist RUI joins. Chaos System officially restarts activity.
Vo: Kyouka Gt: TOMO, Ba: RUI, Dr: TOMOKAZU
Self-sponsored event held.
Chaos System go on activity pause after their presents live. This ends up being their last performance.
Chaos System was a visual kei band. They were part of the kote kei subgenre. They were active from 2003 to 2011 and are now disbanded.