Katsuki Bakugou a young villager who wish to see the outside of the world. Katsuki Bakugou living in a world full of titans that eating humans that's why humans create a wall to protect the people who still living that why the soldier is protecting the people and find it if still a live outside of the walls. On Katsuki leaving there's a king and queen who thinking how to solve the problem to get away to the titans but it's so many years and it's hard to find a solution there having. On another hand Katsuki wish to be soldiered to help the people and find is there live in outside world along with he's friends Enjiro Kirishima and Denki Kaminari also want to be a soldier.