PolyphonicBranch's ninth published work and one of his most popular songs. It was uploaded onto Niconico Douga on February 11, 2010 and since then it has reached over 300,000 views, entering the Hall of Fame. This song is featured in PolyphonicBranch's albums Heaven, with an extra Rin and Len version, and Dennou Ryodan -Cyber Brigade- (電脳旅団 -サイバーブリゲイド).