Fujiwara no Sai, a ghost that had wandered for 1000 years, finally found himself a place in the heart of a sixth grader, Shindo Hikaru. Hoping to achieve the "Moves of God", Sai wished Hikaru to let him play Go. However, Hikaru was a total ignorant to this ancient board game.

Through practice, Hikaru was able to let Sai play Go. Sai's incredible skill had caught the attention of a Go genius, Touya Akira. Akira wanted to chase Sai, while Hikaru who slowly developes the love for Go, wanted to chase Akira....