Tokyo Ghoul (Japanese: 東京喰種トーキョーグール Hepburn: Tōkyō Gūru) is a Japanese dark fantasy manga series written and illustrated by Sui Ishida. It was serialized in Shueisha’s seinen manga magazine Weekly Young Jump between September 2011 and September 2014, and it has been collected in fourteen tankōbon volumes as of August 2014. A sequel titled Tokyo Ghoul:re was serialized in the same magazine between October 2014 and July 2018, and was later collected into sixteen tankōbon volumes. A prequel titled Tokyo Ghoul Jack ran online on Jump Live.
A 12-episode anime television series adaptation by studio Pierrot aired on Tokyo MX between July 4, 2014, and September 19, 2014. A 12-episode second season, Tokyo Ghoul √A (pronounced Tokyo Ghoul Root A), which follows an original story, began airing on January 9, 2015, and concluded on March 27, 2015. In North America, Viz Media is publishing the manga while Funimation has licensed the anime series for streaming and home video distribution.
A live-action film based on the manga was released in Japan on July 29, 2017. An anime adaptation based on the sequel manga Tokyo Ghoul:re began airing from April 3, 2018, and concluded on December 25, 2018, with the series being split into two seasons.
source : wikipedia.org