Create an anime-style character portrait of Gojo Satoru from Jujutsu Kaisen. He has white hair and striking blue eyes, wearing a black high-collared jacket. The background is a mystical urban setting with hints of supernatural energy swirling around. Capture his confident and playful demeanor, with a slight smirk on his face. Emphasize the details of his outfit and the intensity of his eyes, showcasing the character's unique personality.