The Nishōkaku, famous for its song "Sapphire Darkness", the big boss behind the scenes, Seiichi Yukimura, the four major dancers - Atobe Keigo, Nioh Masaharu, Kansatsuki Kuranosuke, Shiraishi Kuranosuke, senior executives Kenya Ninzu, Hiroshi Yagyu, Fuji Shusuke and others, after meeting the mysterious Genichiro Sanada and Yushi Ninzu, they were involved in one underground war after another. What awaits them will be...