Most of the songs in this album were written by tomleozero in 2011 based on lyrics by Tsunehiro Takashina (a.k.a. hiro) in his Sudden Fiction Project. Hiro accepted keywords from many different individuals in the project and wrote short stories using the keyword. It sometimes ended up to be lyrics and inspired tomleozero to write a song on it. Styles of each songs are vary depending on each lyrics. Vocals in all tracks were created by VOCALOID Megurine Luka. All the instruments were software synthesizer plugins in ProTools.