Getou Suguru

In his younger years, he was originally a close friend and colleague of Satoru Gojo. They both trained together as students and were dedicated to preserving the balance between the human world and curses.He became disillusioned with the Jujutsu world's approach and eventually turned against it, forming a radical group. This group aimed to reshape the world in a way that they believed would be more just, and Geto became a major antagonist in the series due to his extremist beliefs and actions.