|Japanese name:||新免 那岐|
|School:||Sanomo High School|
|Grade:||Third-year high school|
|Debut:||Saki Achiga-hen, Chapter 4|
Nagi has short wavy brown hair and dark eyes. She wears the standard Sanomo High uniform and carries a pair of swords, one on each side.
National Tournament Arc
At the 71st Inter High, she is Sanomo's vanguard. Her opponents in the first round of the tournament are Kuro Matsumi of Achiga Girls' Academy, Manami Moriai of Urabandai High School, and Yuzuki Terasaki of Imizu Integrated High School.