A special anime depicting a battle against the Colossal Titan, screened at the Tokyo Skytree. In the short, the characters from Shingeki no Kyojin belong to the Sky Survey Corps, which protects the Wall Skytree, a section of the walled city that contains the Skytree. The Sky Survey Corps discover that the Wall Skytree is under attack by an army of titans, including a giant 350 meter-class titan that has suddenly appeared next to the Skytree and remains motionless.