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 ...