The ID is the first chapter in Tour to Jungle.
All of the 12 characters have to go in a jungle named Jelly Jungle City. Then the leader says, "This jungle has enemies they put into traps so walk carefully. They come and go to the jungle, when they are on the center of the jungle Lorenz counts all of the 12 characters then he only counts only 11 characters, then he does it again then counts 11 again. That's when Vianca was kidnapped by Nathaniel the boss of the enemies. Then they hear something that was laughing. They go out.