Hikaru Shindo is like any sixth-grader in Japan: a pretty normal kid with a two-tone head of hair and a penchant for antics. His life completely changes when he finds an old bloodstained go board in his grandfather's attic. The ghost of an ancient go master named Fujiwara-no-Sai was trapped in the board and soon becomes a part of Hikaru's consciousness. Together Hikaru and Sai make an unstoppable go-playing team!

Tomoko Kawakamias Hikaru Shindō (voice)
Susumu Chibaas Fujiwara no Sai (voice)
Sanae Kobayashias Akira Toya (voice)
Yumi Kakazuas Akari Fujisaki (voice)
Makoto Tsumuraas Kimihiro Tsutsui (voice)
Kentaro Itoas Tetsuo Kaga (voice)
Yuu Asakawaas Yuki Mitani (voice)
Mayumi Asanoas Okumura (voice)
Takahiro Sakuraias Kaoru Kishimoto (voice)
Reiko Takagias Yoshitaka Waya (voice)
Atsuhiro Tomioka