Nanami serves as Itadori’s senior and mentor within the Jujutsu Sorcerers organization, providing guidance, training, and valuable advice to Itadori as he navigates the world of sorcery. They develop a mutual respect and understanding for each other, with Nanami recognizing Itadori’s potential and determination, while Itadori looks up to Nanami’s skill and experience. Their dynamic is characterized by a blend of tough love, camaraderie, and shared commitment to protecting others from curses.