VAASTU were a visual kei band formed in the end of 2012. They held their first live at Ikebukuro EDGE on February 1st, 2013. Bassist Siori departed on August 9, 2015, due to complications from a retinal detachment in his eye; he would then be their support bassist. The band disbanded after their oneman live, "Daybreak of the Sorrow" at Shibuya REX on December 15, 2015.