Akira Toya - Hikaru's biggest rival and Kaio Middle School student. The son of Koyo Toya, Akira is already a very strong go player when Hikaru first begins playing and is amazed by Hikaru's seemingly impossible strength. Since his first game with Hikaru, Akira has been obsessed with discovering the secret behind Hikaru's strength. Akira has faced Hikaru again and won, but still can still see a lot of strength in Hikaru. As the series go by, they still play each other, but it always ends in an argument. Akira also get taller throughout the series. His birthday is December 14th.