Tokyo Ghoul is a dark fantasy psychological thriller manga series written and illustrated by Sui Ishida. The story is set in a world where ghouls, supernatural creatures that feed on human flesh, exist in secret alongside humans. The protagonist, Ken Kaneki, becomes a half-ghoul after a near-fatal encounter with one. As he struggles to navigate his new identity and the conflicts between ghouls and humans, Ken is forced to confront his own inner demons and question the boundaries of his humanity. Tokyo Ghoul is a haunting and intense manga that delves into themes of identity, morality, and the struggle to find one's place in a divided society.