In this seemingly peaceful country, there lives a hitman that hunts down others of his kind - an assassin of assassins. Before eliminating his targets, he always questions their motives for killing - this is his way of embracing his destiny. From the author of "Until Your Bones Rot" and "The Shadows of Who We Once Were," Utsumi Yae presents a thrilling drama about the lives of those existing on the edge between life and death.