He was a musician in a family of assassins. The problem was, his talent for killing was the greatest the family had ever seen. This boy left his home on a journey, and came across a barren city, a group, and more importantly, a girl who lit up his entire world. As a musician, an assassin, a phantom troupe member, and a hunter, he would become the strongest nen user in history. This is the story of Kiyoto Zoldyck, the metalhead...