Hailing from Osaka Aldious was formed in 2008 by singer Rami and guitarist Yoshi. Guitarist Hime Ruki moved to Galmet at this point. Bassist Kaze was also removed in 2009. Bassist Sawa would leave too, but would rejoin. Ironically, Sawa was also in Galmet. The band’s 2009 demo was called Dear Slave. No word whether the band was inspired by The Great Kat. A single called Defended Desire appeared in 2010. The band transported itself to the full-length realm in late 2010 with its Deep Exceed record. The album was issued courtesy of the BrightStar imprint of Spinning. Determination appeared in 2011. The year after delivered a DVD called Determination Tour 2011 ～Live at Shibuya O-EAST～. Shibuya refers to the Tokyo Central area best known for its youth culture. Re:NO became the new vocalist in 2012. Marina took over the drums in 2015. Anther live video was issued in 2014. Village Again issued Radiant A in late 2015. The band had a DVD called Radiant A Live At O-EAST in late 2016. It was recorded in Tokyo.