Yuuta Okkotsu is the main character in the manga and anime series Jujutsu Kaisen. He is a high school student who becomes a powerful sorcerer after being possessed by the curse of his deceased childhood friend, Rika Orimoto. Initially, Yuuta struggles with controlling Rika's immense power, which makes him a target for other sorcerers. Throughout the series, he learns to harness his abilities and confronts various curses, ultimately seeking to protect others while coming to terms with his own past.