supporting character in the Jujutsu Kaisen series. He is a grade 1 jujutsu sorcerer and instructs the second-year students at Tokyo Jujutsu High fearful individual and focused on his own self preservation as top priority. He is also willing to be deceitful to save his own skin but in the bottom of his heart he does care a lot for his students, his sense of protection is believing he need to be safe first to be able to help the rest. not taking too quick decisions that lead to dangerous results.