Tokyo Ghoul, written and illustrated by Sui Ishida, is a dark fantasy manga series set in a world where flesh-eating ghouls exist alongside humans. The story follows Ken Kaneki, a college student who becomes a half-ghoul after a fateful encounter. As Ken navigates the dangerous world of ghouls and struggles with his newfound identity, Tokyo Ghoul explores themes of identity, morality, and the blurred lines between good and evil.