Seller’s Note:
“Are you ready?” BRAND NEW iDOL SOCiETY. This is the first single as a new system after the abolition of the 1st and 2nd two-group system “BiS.LEAGUE”. In addition to the title song, a 9-person version of the song “BiS BiS” that announced the beginning of the 2016 BiS reunion is recorded as a coupling. it is brand new.