Ken Kaneki is a university student. He is also half-ghoul and half-human. He agonizes over his situation. Trying to avoid other ghouls, he shelters himself at Anteiku Cafe and spends time with Toka Kirishima. One day, a ghoul, Shu Tsukiyama, appears at Anteiku Cafe and he is called the "Gourmet."
A Tokyo college student is attacked by a ghoul, a super-powered human who feeds on human flesh. He survives, but has become part ghoul and becomes a fugitive on the run.
Who needs school, who needs baseball, and who needs friends? That's the attitude of high school delinquent, Taishi Fura, who became a loner after falling out with his peers. One day, he witnesses the brutal attack of a ghoul, which left one of his former friends in the hospital and the other dead. Determined to avenge them, Fura decides to pursue the man-eating monster. His efforts allow him to cross paths with Kishou Arima, a quiet student who also attends his high school. Arima, however, is no ordinary student. Despite his young age, he is a full-fledged investigator of the CCG, a government task force that strives to deal with the ghoul threat. Together, Fura and Arima hunt down the ghoul, known as Lantern, but it soon becomes apparent the monster may be closer than anyone suspects. In this side story, Tokyo Ghoul: "Jack" offers a glimpse into the past of Kishou Arima, well before he ever became the CCG's feared God of Death.
The OVA adapts the third story in the Tokyo Ghoul: Hibi novel when Shuu Tsukiyama and Chie Hori met.
Ken Kaneki is a bookworm college student who meets a girl names Rize at a cafe he frequents. They're the same age and have the same interests, so they quickly become close. Little does Kaneki know that Rize is a ghoul - a kind of monster that lives by hunting and devouring human flesh. When part of her special organ - "the red child" - is transplanted into Kaneki, he becomes a ghoul himself, trapped in a warped world where humans are not the top of the food chain.