6-six is formed.
V. DAISHI / G. Daisuke Suga (菅 大助) / B. 雄飛 / D. Tadafumi Okamoto (岡本唯史) / Support A. Reiji (レイジ)
6-six changes its name to SiXX.
Dr. 岡本唯史 leaves.
Support Dr. 田中匠郎 joins.
V. DAISHI / G. Daisuke Suga (菅 大助) / B. 雄飛 / Support A. Reiji (レイジ) / Support D. Takuro Tanaka (田中匠郎)
SiXX disbands
SiXX was a non-vkei band. They were active from 2012 to 2020 and are now disbanded.