"K" is based on a novel by seven anonymous writers from the innovative writer group "GoRA". The story is set in modern Japan, which has a subtle historical difference from reality, and describes the obsessions of the seven "kings", as well as the fate of the boys involved and the battles between psychics. The "Red King" Suho Takashi's "Homura" and the "Blue King" Munakata Reiji's "Scepter4" are in conflict over the pursuit of the suspect of a certain incident: Isanasha named Xiaobai. But Xiaobai has no memory of this incident, and he is unaware of it and is escaping from the pursuit of the two groups. In front of Xiaobai is a slender, long-haired boy in black clothes-Yatogami Goro. It is precisely because of the encounter with him that Xiaobai's fate has since embarked on a different track...