Seikai Wa Hitotsu! Janai!! (Poppin'Party)

'''Seikai Wa Hitotsu! Janai!!''' (正解はひとつ! じゃない!!) is the fifth song covered by Poppin'Party, and was originally sung by Milky Holmes featuring in this cover as Glitter*Green.

It was first announced in 2017 and released in the Japanese official Bang Dream Game server the same year, and also available in all the servers of the game.