"Sirius" is a 2013 single by Eir Aoi, notable for its inclusion as the opening theme for the anime series Kill la Kill.
- The single reached number 7 on the Oricon Weekly Singles chart.
- "Sirius" was co-written and produced by guitarist Sugizo of Luna Sea and X Japan.
- The single was released as a CD and digital download on November 13, 2013.
Eir Aoi is a pop-rock singer from Japan, best known for her anime theme songs. She debuted in 2011 and quickly became a prominent voice in the anime music scene.
Tracklist
