Guilty Children summary: The story begins with the emergence of the "Enemies," massive creatures that refuse to surrender and are impervious to harm, pushing humanity to the brink of extinction. A lone boy thwarts them using his "moonfall strategy," but disappears without a trace. After a three-year hiatus, a boy named Kyle Kamishiro appears on the outskirts of a city. As the monsters resurface, he displays his ability to manipulate chances. Despite his heroic deeds, he is recruited into the "Guilty Children," a group of young people accused of crimes.