A Full-Sized Attack on Titan 2014 Do you know Attack on Titan? It is a Japanese manga series written and illustrated by Hajime Isayama. It has been made into an anime so is very popular among not only Japanese but also people around the world. An event will be held for three days from April 10 in which a full-sized 60-meter tall skinless Colossus Titan will show up. The world of Attack on Titan will come in the Projection Mapping.