Ishida is well known for creating the supernatural battle action manga Tokyo Ghoul, which ran from September 2011 to September 2014 in Young Jump. The manga ranked 12th in the 2015 Kono Manga ga Sugoi! rankings in the male readers category. In 2014, it became the fourth best-selling manga in Japan with nearly 7 millions copies sold.
He followed up with a sequel titled Tokyo Ghoul:re in the same magazine and serialized it between October 2014 and July 2018. The manga was the tenth best-selling manga in Japan in 2015 with an estimated 3.7 millions copies sold. VIZ Media licensed and published both manga in English.
Studio Pierrot adapted Tokyo Ghoul and Tokyo Ghoul:re into four 12-episode seasons in Summer 2014, Winter 2015, Spring 2018, and Fall 2018.
Funimation licensed the anime series in North America for streaming and home video sales. The company streamed the anime seasons with subtitles as they aired in Japan and subsequently released an English dub.
Source: Sui Ishida’s secondary Twitter
Choujin X on MAL