Nanami is an individual with sadistic tendencies. He uses an authoritarian and mocking tone. Nanami is very eager and quick to express her irritation, both on her face and verbally with her words. Nanami is usually very impatient. Nanami is less mature while studying at Jujutsu High. He saw missions as a burden, but his negativity was always offset by his classmate Yu Haibara's extreme optimism He seems like the kind of person who takes his bullying behavior seriously.