Tokyo Ghoul, created by Sui Ishida, is a dark and thrilling seinen manga series. It takes place in a world where flesh-eating ghouls exist alongside humans, and follows the story of Ken Kaneki, a college student who becomes a half-ghoul after a fateful encounter. As Ken navigates the dangerous world of ghouls and humans, he grapples with his own identity and the moral complexities of his new existence. Tokyo Ghoul is known for its intense action, psychological depth, and exploration of themes such as identity, morality, and the blurred lines between good and evil.