Chan brought his dinosaur toy to school. Joon thought that since nobody is watching, it would be okay to touch the toy. But as soon as Joon touched the dinosaur, the
arm of the toy broke off. He should have admitted that he did it, but he could not. On his way back home without being able to admit his mistake, a massive shadow
overcame Joon. What is this thing that appeared in front of Joon?