Nanami is 27 years old and 184 cm tall. He was a student at the Tokyo School of Magic. Nanami left magic school after graduation to become an office worker, but returned four years later to continue working as a magician.

While working as a magician, Nanami gained the first rank and operated mainly outside the Tokyo campus. Later, he also became a mentor to Yuji Itadori. He is quite a reasonable and calm person who knows how to support and help if necessary.