Kōyō Tōya (塔矢 行洋, Tōya Kōyō), also known as Tōya Meijin, is a Professional Go Player and the Meijin and Akira Toya's father and a holder of multiple titles until retirement from Professional after facing against Sai on the Internet.
He is usually depicted in traditional Japanese dress and is older, his hair being gray throughout the entire series.
Koyo Toya's personality is depicted as very serious, both in his professional and private life though he is shown to have his moments of sweetness, especially with his son, Akira, whom he has great pride and affection for. His feeling for go is very similar to Sai as he stated that he will not stop playing go even after he retire as a Professional Go Player.
Much of Koyo Toya's History is unknown but he became a Professional the same time as Shigeo Morishita where Morishita develop a strong rivalry with Koyo He later teaches Seiji Ogata how to play go and became one of his students he later taught his son Akira how to play go and is a natural prodigy and Koyo forbid Akira from participate amateur tournament fearing that he will crush the spirit inspiring young go players
Koyo Toya first appear where he first meet Hikaru
Go Middle School Tournament Arc
Sai vs Meijin Arc
Hokuto Cup Arc
He is one of the world's top players and was stated by many to be able to match Hon'ninbo Shusaku. Koyo manage to earn more than five titles before his retirement
Koyo is Sai's rival, whom he recognizes and respects, despite not knowing his full identity.
Akira is Koyo's son and they are depicted as having a very close and affectionate (for them) relationship. They played go every morning when Akira was a child and Kouyou encouraged Akira to grow as a go player.
Koyo met Hikaru when he was 11 years old and he piqued his interest both in the children go tournament and by supposedly beating Akira (though it was actually Sai). This interest continued when Hikaru became an Insei and later a pro and Kouyou even requested to play him for his shodan game.
|Main Character||Hikaru Shindo • Fujiwara no Sai • Akira Toya • Koyo Toya|
|Other Character||Akari Fujisaki • Kimihiro Tsutsui • Tetsuo Kaga • Yuki Mitani • Kumiko Tsuda • Natsume • Masako Kaneko • Hitoshi Koike • Seiji Ogata • Kaoru Kishimoto • Yuri Hideka • Yoshitaka Waya • Yuta Fukui • Shinichiro Isumi • Asumi Nase • Kosuke Ochi • Toshinori Honda • Tatsuhiko Kadowaki • Shigeo Morishita • Kuwabara • Zama • Harumi Ichikawa • Mitsuko Shindo • Michio Shirakawa • Suyong Hong • Atsushi Kurata • Yongha Ko • Kiyoharu Yashiro|