Suguru Geto is a fictional character from Gege Akutami's manga Jujutsu Kaisen 0. Suguru Geto is a powerful sorcerer who was previously friends with Satoru Gojo. He seeks the Queen of Curses Rika Orimoto, who in turn is searching for the protagonist of the prequel series, Yuta Okkotsu. Geto also appears in the main series Jujutsu Kaisen series which, through flashbacks, further explores his friendship with Gojo and their eventual antagonism towards one another. In the main series, his corpse is controlled by Kenjaku , an ancient sorcerer who uses the Cursed Technique of transplanting his brain into other bodies. Kenjaku's goal is to evolve humanity through Cursed Energy to create a new golden age of Jujutsu sorcery similar to the Heian period.

Jujutsu Kaisen 0 is a Japanese manga series written and illustrated by Gege Akutami. The manga, which was originally titled Tokyo Metropolitan Curse Technical School, was serialized in Shueisha's magazine Jump Giga from April to July 2017. After Akutami launched Jujutsu Kaisen in 2018, the series was retitled Jujutsu Kaisen 0—making it a prologue—and released in a single tankōbon volume in December 2018. It was licensed for English release in North America by Viz Media. The series follows Yuta Okkotsu, a young student who becomes a sorcerer and seeks to control the Cursed Spirit of his childhood friend Rika Orimoto.