Asahi Tojima (Nanase Nishino) is a first grade high school student. She is small and weak physically. Asahi Tojima decides to change herself. She enrolls in the naginata (Japanese blade) club at her school. She works hard with the other club members and targets the national competition.
The year is 1987 and Japan is just reaching the peak of its economic success. Eighteen-year old Yonosuke Yokomichi arrives in Tokyo from Nagasaki. Ordinary in every way possible, he lives in a suburb far from the excitement of the big city and commutes to a university in the center of Tokyo.