Hikaru no Go, Vol. 23: Endgame follows the journey of Hikaru Shindo, who encounters a haunted go board and the spirit of a master player, Fujiwara-no-Sai. This spirit awakens Hikaru's latent genius for the game, propelling him on a quest to defeat Akira Toya, a renowned go prodigy.

In this final volume, Hikaru faces his most challenging match yet against Ko Yong Ha, Korea's top player, in the Hokuto Cup tournament. The battle is not just for personal triumph but represents something much more profound. It's a reflection of the passion and life lessons that the game of go imparts to its players. As Hikaru confronts the meaning of the game for both the new generation and the game itself, readers are invited to ponder the significance of go as more than just a game.