Madness: the City of Laughter

Bang bang bang! The wooden door was shaken by the shots, and Grandpa's shout came from outside the door! "Grandson, open the door for grandpa!" A low hoarse voice with a crazy chuckle made Jiang Yan tremble all over by the window on the second floor. Outside the gate, there were dozens of neighbors who were familiar with each other, including his own grandfather. At this moment, without exception, they all had crazy smiles on their faces, their blood-red eyes were full of malice, and the corners of their mouths were torn to the base of their ears, dripping with blood. The world seems to have gone crazy overnight!