Hikaru learns his rival, Akira, has landed a place on Japan's team for the Hokuto Cup and battles for one of the two remaining spots, while the Go world is shocked by Akira's father's retirement.
Hikaru faces Korea's top Go player, Ko Yong Ha, in the Hokuto Cup tournament. The outcome will affect a new generation of Go players and may even change the game itself.
Now that he has turned pro, it will take everything in Hikaru's power to beat his old rival, and before he can face Akira, Hikaru must defeat all the students at the insei school.
Akira proves his worth to his jealous Kaio Middle School classmates with the help of upperclassman Yuri Hidaka, and, struggling to find a third teammate over at Haze, Hikaru considers recruiting swindler Yuki Mitani.