After the final performance of the original idol group, the member Shanai was taken by unknown people to a strange island, where there are other kidnapped idols. In a panic, a man named TAKIMOTO suddenly appeared and announced the start of the game. This game is a knockout card game, and the person who wins in the end will become a super idol. Shanai, who inherited the wishes of her dead sister and her dream of becoming an idol, joined the game, but she did not expect that death was the one waiting for the loser in the game.