He was a grade 1 sorcerer and the mentor of Yuji Itadori.He graduated from Jujutsu High before started working as a salaryman and returned four years after, to resume his career as a jujutsu sorcerer,is a very wise and reserved kind of man, often appearing so calm and indifferent that he comes off as stoic and aloof. He seems like the kind of person who's too serious about his work. He's blunt and straight to the point in most,Nanami is very avid and quick to express his irritation.