Kiri Haimura has an obsession with beautiful hair—specifically, cutting it. This bizarre trait is what leads him to seek out a rumored long-haired ghost who lives in an abandoned house on a hill. However, he finds not a ghost, but a beautiful girl with long flowing hair named Iwai Mushanokouji, the "Hair Queen," whose hair cannot be cut due to a family curse. Iwai explains that there is a death game surrounding her, and that if she is killed by a cursed object, aptly named a "Killing Good," the wielder gets their wish granted. After protecting Iwai from "Authors"—Killing Goods users—he learns there is in fact a Killing Good passed down in his own family: a pair of scissors used by his ancestor to commit murders. Naming the scissors "The Severing Crime Edge," he finds that he is able to cu