Ai Hinazuru of JS (elementary school girl) rushed to the house of a 16-year-old boy, Kuzuryu Yaichi, who became the best title in the shogi world, "Ryuo", at the age of 9 who admires him as a "master"! ?? At first, he thought he would turn back, but Yaichi, who felt a glimpse of his talent, decided to welcome her as an uchi-deshi for the time being, partly due to the progress of Master Kiyotaki. In this way, the story of Ryuo Kuzuryu Yaichi and his disciple Ai Hinazuru began.

Yaichi did not give up the game with the natural enemy, Yamatobuki Hachidan until the end, and Yaichi showed a come-from-behind victory. However, its appearance is too dazzling for Katsura today. Born in a shogi player's family as the daughter of Kiyotaki Kudan, she has been familiar with shogi since she was a child, and as the age limit of the workshop approaches, she has not yet been qualified to become a female shogi player. Katsura, who loses her confidence and suffers, suddenly stops at an old research notebook she once wrote. There ...