Our time, our days. A girl named Shiki Ryogi spends her life in emptiness and loneliness. Two years ago, as a result of an accident, she was hospitalized and remained in a coma for two years. When she woke up, she realized that she had lost some part of herself and there was an emptiness inside her that now had nothing to fill. However, she not only lost, but also gained. She acquired a mystical gift - eyes that can see the lines of death. One has only to cut such a line, the living will become dead, and the dead will be completely destroyed. After a coma, the girl is supported by her school friend Mikiya Kokuto. Shiki doesn't understand why he cares about her, but he values the friendship. Kokuto sets her up with a strange woman, Toko Aozaki, who claims to be a magician. Shiki agrees to work for her, in return Toko promises to find a use for the girl’s gift.