Tokyo Ghoul takes place in an alternate version of Tokyo, where ghouls, supernatural creatures that feed on human flesh, live among humans in secret. The story follows Ken Kaneki, a college student who becomes a half-ghoul after a tragic accident. He must navigate his new life as a half-ghoul, torn between his human and ghoul sides, while dealing with the struggles of living in a society where ghouls are discriminated against and hunted.