Tokyo Ghoul is a manga series by Sui Ishida, serialized in Shueisha's seinen manga magazine Weekly Young Jump since September 2011. The story follows Ken Kaneki, a young man who receives organ donations from a "Ghoul" after he is nearly killed. Ghouls are creatures that look human but need to eat human flesh to survive. Kaneki soon realizes he is now half-human and half-ghoul. The manga has been collected in twelve tankōbon volumes as of June 2014. An anime television series adaptation by studio Pierrot started airing on Tokyo MX on July 3, 2014. Funimation has licensed the anime series for streaming and home video distribution in North America.