Original: The original version of the song released on vocantabile ~storia~ and later uploaded to niconico on February 2, 2013. It was then featured on The Muzzle of Nemesis.
Albums
vocantabile ~storia~ネメシスの銃口NEMESHISU no juukou The Muzzle of Nemesis
Notes
The PV was illustrated by Yoshida Dondorian.
The song is based on Mimei Ogawa's "The conversations of stars one night".
The lyrics page in The Muzzle of Nemesis indicates that the song takes place in BT 3214.