Yuu, Mitsuki, Rei, Hajime, Eiji, and Haruka have enter the game called 'Rabbit Doubt', which all of the players are 'rabbits' in a group, and among them is randomly chosen to be a 'wolf' in the group of rabbits. Each round, the wolf killed a rabbit, and each round, the rabbit group tries to figure out which of the rabbits is actually a wolf in disguise & kill it. If the rabbit killed the real wolf, they win & if they're wrong, all the rabbit will be killed. Who is the real wolf, and can they stopped it before the game is over...